Pre-loaded JoPo Twist inner sleeve with a 1 3/8″ urethane thumb slug already installed. Ready to drill ? just open the package and start drilling your custom thumb hole. Compatible with all JoPo Twist outer sleeves.
Details
- System: JoPo Twist Interchangeable Thumb
- Component: Inner Sleeve Pre-Loaded
- Slug size: 1 3/8″
- Quantity: Single
How the JoPo Twist System Works: Install an outer sleeve in each bowling ball’s thumb hole. Drill your custom thumb fit into one inner sleeve. Swap that single inner sleeve between balls, same perfect fit every time.
Ships free with no minimum purchase. 60-day hassle-free returns.


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