Inserts & Slugs

JoPo Grips Super Glue Strong Hold Gap Filling Formula for use with the JoPo Grip Interchangeable Thumb System. JoPo Grips, a company with a new interchangeable thumb insert. This insert uses patented technology, creating a durable bowling grip that will...

JoPo 1 1/2″ Drill Bit With Stopper For drilling the hole into the bowling ball for the outer of the JoPo Twist interchangable thumb.   JoPo Grips, a company with a new interchangeable thumb insert. This insert uses patented technology,...

JoPo Twist Inner Sleeve Blank  Contains: 1 BLANK (No Slug) inner sleeves that twists into the bowling ball. **Does NOT contain outer sleeve** Benefits of the Twist: The thread-like feature absorbs the load of the weight and the velocity of the...

JoPo Twist Inner Sleeve Blank - 5 Pack Contains: 5 BLANK (No Slug) inner sleeves that twists into the bowling ball. **Does NOT contain outer sleeve** Benefits of the Twist: The thread-like feature absorbs the load of the weight and the velocity of the...

JoPo Twist Outer Sleeve - 5 Pack Contains: FIVE outer sleeve for the JoPo install **Does NOT contain inner sleeves**   Benefits of the Twist: The thread-like feature absorbs the load of the weight and the velocity of the bowling ball delivery; i.e...

JoPo Twist Inner Sleeve With Slug - 5 Pack Contains: FIVE inner sleeve that twists into the bowling ball **Does NOT contain outer sleeve** Benefits of the Twist: The thread-like feature absorbs the load of the weight and the velocity of the bowling ball...

JoPo Twist Locking Tool For easy insertion and removal of the JoPo Twist interchangable thumb, if needed or desired. JoPo Grips, a company with a new interchangeable thumb insert. This insert uses patented technology, creating a durable bowling grip that...

JoPo Twist Inner Sleeve With Slug Contains: One inner sleeve that twists into the bowling ball **Does NOT contain outer sleeve** Benefits of the Twist: The thread-like feature absorbs the load of the weight and the velocity of the bowling ball delivery;...

JoPo Twist Outer Sleeve  Contains: One outer sleeve for the JoPo install **Does NOT contain inner sleeve**   Benefits of the Twist: The thread-like feature absorbs the load of the weight and the velocity of the bowling ball delivery; i.e...

JoPo Starter Kit Everything you need to get started – Kit includes1 Bottle of Glue1 Jopo Twist Locking Tool6 Jopo Inner Sleeves With Slugs12 Outer Sleeves1 – 1 1/2″ Drill Bit With Stopper  JoPo Grips, a company with a new...

Vise Grip O/PO Bowling Insert One side of the insert is an Oval cut and the other side is a blended Power Oval Drill Size 31/32": 9/16, 37/64, 19/32, 39/64, 5/8, 41/64, 21/32, 43/64, 11/16, 45/64, 23/32, 47/64, 3/4, 49/64,25/32, 51/64 and 13/16. Drill...

Vise Grip P/S Bowling Inserts Combo Package One side of the insert is a Power Lift and the other side is a Semi. Drill Size 31/32": 9/16, 37/64, 19/32, 39/64, 5/8, 41/64, 21/32, 43/64, 11/16, 45/64, 23/32, 47/64, 3/4, 49/64,25/32, 51/64 and 13/16...