Check the listing for details. Vise Easy 100% Urethane Bowling Ball Thumb Slug. Color: Blk, Blue, Clear, Grape, Grn, Neon, Org, Pink, Prp, Red, Wht, Yel, Condition: New. Listed at 10.93 USD. Vise Easy 100% Urethane Thumb Slug Carve your way to a remarkable release with the Vise Easy 100% Urethane Thumb Slug. This innovative bowling accessory is designed for effortless customization, providing you with a quick and clean release on every throw. Key Features: 100% Urethane Construction Length: 2 5/8" Optimal Hardness: 75 Benefits: Effortless Carving: Easily customize the thumb slug to suit your unique grip, ensuring a personalized and comfortable feel. Quick Release: Experience a rapid release, enhancing your overall bowling performance. Clean Release: The high-quality urethane material ensures a clean release, minimizing disruptions to your throw. Upgrade your bowling experience with the Vise Easy 100% Urethane Thumb Slug. Embrace precision, comfort, and reliability with every roll.