JoPo Twist Inner Sleeve With 1 3/8 Slug Red/Black – 1 Sleeve comes with a 1 3/8″ urethane thumb slug already installed in the inner sleeve. Ready to drill, open the package and start drilling your custom thumb hole. Twist-lock into any ball equipped with a JoPo outer sleeve.
Details
- System: JoPo Twist Interchangeable Thumb
- Component: Inner Sleeve With 1 3/8 Slug
- Color: Red/Black
- 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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