SOFTBALL BATS, what is the negative numbers for? (-10)?

I'm looking at the fastpitch softball bats
WORTH TITAN FASTPITCH (-9) and
WORTH TITAN FASTPITCH (-10)

what are the negative numbers for?
do they have a name? (like what do you call that number)
& if you have a website that explains all this that would be great too

thanks =]

The number (#) = weight of bat (oz.) - Legnth of bat (in)
its a ratio for bat sizes.
They're the same bat but just different length and weight.

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2011 WORTH TITAN RELOAD 120 SOFTBALL BAT SBTU 34/28.5oz


2011 WORTH TITAN RELOAD 120 SOFTBALL BAT SBTU 34/28.5oz


$102.50


2012 Worth 454 Titan Reload Softball Bat SB454R 34/28.5


2012 Worth 454 Titan Reload Softball Bat SB454R 34/28.5


$186.50


2011 Worth Titan Slowpitch Softball Bat #SBT542 34/28oz


2011 Worth Titan Slowpitch Softball Bat #SBT542 34/28oz


$102.50


2011 Worth Titan Slowpitch Softball Bat #SBT542 34/30oz


2011 Worth Titan Slowpitch Softball Bat #SBT542 34/30oz


$76.00


Worth 454 Titan Reload 26.5 Homerun Derby Softball Bat


Worth 454 Titan Reload 26.5 Homerun Derby Softball Bat


$259.99


2012 Worth SBTUS Titan 454 Slowpitch Softball Bat 34/28


2012 Worth SBTUS Titan 454 Slowpitch Softball Bat 34/28


$199.95


2012 Worth SBTUS Titan 454 Slowpitch Softball Bat 34/27


2012 Worth SBTUS Titan 454 Slowpitch Softball Bat 34/27


$199.95


2012 Worth SBTUS Titan 454 Slowpitch Softball Bat 34/26


2012 Worth SBTUS Titan 454 Slowpitch Softball Bat 34/26


$199.95


New Worth Titan 5.4L 120 USSSA Softball Bat SBT542 34/26 Composite Balanced


New Worth Titan 5.4L 120 USSSA Softball Bat SBT542 34/26 Composite Balanced


$90.00


2012 WORTH SBTUS 34/26 TITAN 5.4L USSSA SLOWPITCH SOFTBALL BAT NEW USSSA STAMP


2012 WORTH SBTUS 34/26 TITAN 5.4L USSSA SLOWPITCH SOFTBALL BAT NEW USSSA STAMP


$174.99


2009 Titan Composite Fast Pitch Softball Bat (-9 oz.) from Worth


2009 Titan Composite Fast Pitch Softball Bat (-9 oz.) from Worth


$179.99


Highest performing one piece composite bat with new Titan composite technology and lithium inner coreMultilayer design extends sweet spotTitan Composite - designed for optimal balance between performance and durabilityLithium Inner Core - Aluminum layer designed for inner strengthApproved for play by ASA, USSSA, ISA, ISF, and other Associations-9 dropAluminum bats are not guaranteed against dentin...

Worth Titan ASA Softball Bat - Men's ( sz. 27 )


Worth Titan ASA Softball Bat - Men's ( sz. 27 )


$218.99


Step to the plate with the power of the gods, when you are swinging the Worth Titan ASA Softball Bat. This single-piece composite bat is also large on technology, utilizing a combination of patented Worth composite, Rapid Air Vacuum (RAV) and Epoxy Induction Process (EIP) advancements. The strength of the Titan begins with a dual layer of braided carbon that is applied over the Lithium Aluminum co...

Worth Resmondo Titan 5.4L Softball Bat - Men's ( sz. 28, USSSA )


Worth Resmondo Titan 5.4L Softball Bat - Men's ( sz. 28, USSSA )



Bring the power of giants to the plate with the Worth Resmondo Titan 5.4L Softball Bat USSSA. This Titan offers a 5.4L multilayer design that extends the length of the sweet spot 2'' toward the end cap, combine that with the maximum end load and you will be putting balls into orbit. RAV and EIP technologies use advanced manufacturing processes and Worth's proprietary high strength, high elongation...


Worth Toxic Titan 5.4L SBTNC2 Slowpitch Softball Bat


Worth Toxic Titan 5.4L SBTNC2 Slowpitch Softball Bat


$299.99


This bat is the first ASA approved model to utilize Worth's powerful 5.4L Technology. The 5.4L Technology is a multilayer design that extends the length of the sweet spot 2 inches toward the end cap. This 100% composite bat features increased handle stiffness and barrel flexibility to optimize batted ball speed. The balanced design allows for equal weight distribution to increase bat control and s...

Worth Reload SB454R-34 USSSA Slowpitch Softball Bat


Worth Reload SB454R-34 USSSA Slowpitch Softball Bat


$299.99


Advantage: Worths patented 454 technology extends the sweetspot two inches in BOTH directions, giving the player the largest sweetspot in the industry. 0.5oz. reload is the perfect bat for players looking to optimized hitting power/consistency. 454 Multi-layer design. 0.5oz Reload 0.5oz End load designed for bat control and power. 1.20 BPF Multi-layer Composite Core Designed to provide exceptional...

Worth SB454L-34 USSSA Slowpitch Softball Bat


Worth SB454L-34 USSSA Slowpitch Softball Bat


$299.99


Advantage: Worths patented 454 technology extends the sweetspot two inches in BOTH directions, giving the player the largest sweetspot in the industry. Resmondo end loading make this the perfect bat for players looking to maximize hitting power. 454 Multi-layer design. Resmondo Loading Maximum end load for maximum power. 1.20 BPF Multi-layer Composite Core Designed to provide exceptional rebound a...

 Worth 454 Titan Softball Bat - Mens


Worth 454 Titan Softball Bat - Mens


$299.99


The Worth 454 Titan Softball Bat uses patented 454 Technology that extends the sweetspot two inches in BOTH directions, giving the Worth 454 line one of the largest sweetspots in the industry. This Worth Softball bat has a barrel made of 100% composite material and a Flex handle that gives you a stiff handle grip while maintaining ultimate barrel flexibility, providing maximum ball speed as it flies off the softball bat. The Pro-Pebble Grip on the Worth 454 Titan is also worth mentioning as it gives the batter maximum bat control with its raised pebble grip. One-Year Warranty from manufacturer. ** All bats returned to Eastbay must be in original wrapper. ** 34" length. 26, 27, 28, 30 oz.

 Worth 454 Toxic Softball Bat - Mens


Worth 454 Toxic Softball Bat - Mens


$299.99


The Worth 454 Toxic Softball Bat ASA uses patented 454 Technology that extends the sweetspot two inches in BOTH directions, giving the Worth 454 line one of the largest sweetspots in the industry. This one-piece bat is 100% composite with a 98 mph multilayer composite core that is designed to provide exceptional rebound and maximum durability! The handle stiffness and barrel flexibility are optimized to produce maximum batted ball speed every time it strikes a ball. The Pro-Pebble Grip on the Worth 454 Titan is also worth mentioning as it gives the batter maximum bat control with its raised pebble grip. One-Year Warranty from manufacturer. ** All bats returned to Eastbay must be in original wrapper. ** 34" length. 2.25" barrel. 26, 27, 28, 30 oz. Eastbay Bat Guarantee: Approved for ASA, USSSA, NSA, ISA, ISF.

 Worth Resmondo Titan 5.4L Softball Bat - Mens


Worth Resmondo Titan 5.4L Softball Bat - Mens


$299.99


Bring the power of giants to the plate with the Worth Resmondo Titan 5.4L Softball Bat USSSA. This Titan offers a 5.4L multilayer design that extends the length of the sweetspot 2" toward the end cap, combine that with the maximum endload and you will be putting balls into orbit. RAV and EIP technologies use advanced manufacturing processes and Worth's proprietary high strength, high elongation epoxy system to ensure the highest quality composite. A 1.20 BPF multilayer core is designed to provide exceptional rebound and durability. The stiff handle is coated with a pro-pebble grip that is thin and textured to offer you control of this monster. Giant power is in your hands with the Worth Resmondo Titan 5.4L Softball Bat USSSA. Approved by USSSA, NSA, ISF and all 1.20 BPF associations. One-year warranty. Wt. 26, 27, 28, 30 oz. 34" length. **Warranty/Defective issues must be handled directly through the bat manufacturer. Please call 1.800.423.3714 for Customer Service. Unwanted bats re...

 Worth Titan 5.4L Softball Bat - Mens


Worth Titan 5.4L Softball Bat - Mens


$299.99


Bring the power of giants to the plate with the Worth Titan 5.4L Softball Bat USSSA. This Titan offers a 5.4L multilayer design that extends the length of the sweetspot 2" toward the end cap, combine that with the balanced weight distribution and you will be putting balls into orbit with consistency and control. RAV and EIP technologies use advanced manufacturing processes and Worth's proprietary high strength, high elongation epoxy system to ensure the highest quality composite. A 1.20 BPF multilayer core is designed to provide exceptional rebound and durability. The stiff handle is coated with a pro-pebble grip which is thin and textured to offer you control of this monster. Giant power is in your hands with the Worth Titan 5.4L Softball Bat. Approved by USSSA, NSA, ISF and all 1.20 BPF associations. One year warranty. Wt. 26.5, 27.5, 28.5, 30.5 oz. 34" length. **Warranty/Defective issues must be handled directly through the bat manufacturer. Please call 1.800.423.3714 for Custome...

 Worth Titan 5.4L Softball Bat - Mens


Worth Titan 5.4L Softball Bat - Mens


$299.99


Bring the power of giants to the plate with the Worth Titan 5.4L Softball Bat USSSA. This Titan offers a 5.4L multilayer design that extends the length of the sweetspot 2" toward the end cap, combine that with the balanced weight distribution and you will be putting balls into orbit with consistency and control. RAV and EIP technologies use advanced manufacturing processes and Worth's proprietary high strength, high elongation epoxy system to ensure the highest quality composite. A 1.20 BPF multilayer core is designed to provide exceptional rebound and durability. The stiff handle is coated with a pro-pebble grip which is thin and textured to offer you control of this monster. Giant power is in your hands with the Worth Titan 5.4L Softball Bat. Approved by USSSA, NSA, ISF and all 1.20 BPF associations. One year warranty. Wt. 26, 27, 28, 30 oz. 34" length. **Warranty/Defective issues must be handled directly through the bat manufacturer. Please call 1.800.423.3714 for Customer Servic...

 Worth Toxic Titan 5.4L Softball Bat - Mens


Worth Toxic Titan 5.4L Softball Bat - Mens


$299.99


Bring sick power to the plate with the Worth Toxic Titan Softball Bat ASA. With 5.4L design, this multi-wall bat extends the length of the sweetspot two inches towards the endcap for gigantic power. This 100% composite Titan offers RAV (rapid air vacuum) construction to free the bat from air bubbles and impurities. EIP (epoxy induction process) technology uses an advanced two-part epoxy that is injected under heat and pressure to ensure the highest quality composite. Handle stiffness and barrel flexibility is optimized for maximum batted ball speed. A pro-pebble grip is thin and textured to offer you control of this bat's power. Tarnish the opposition's game with the Worth Toxic Titan Softball Bat ASA. Approved by ASA, USSSA, NSA, ISF and others. Wt. 26, 27, 28, 30 oz. 34" length. One-year warranty.

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