Vise Urethane Easy Bowling Thumb Slug ? Smooth, Easy-to-Carve Thumb Insert Achieve a quick, clean release with the Vise Urethane Easy Bowling Thumb Slug, crafted from 100% urethane for superior durability and comfort. This easy-to-carve slug lets you customize your thumb hole precisely, providing a smooth feel that enhances control and consistency on every throw. Available in multiple drill sizes (1-1/8, 1-1/4, and 1-3/8) and a wide variety of vibrant colors, the slug offers versatility for all bowlers. Measuring 2-5/8? in length with a hardness of 75, it balances firmness and flexibility for optimal performance. Key Features: 100% Urethane Material: Durable and comfortable for long-lasting use Easy to Carve: Allows precise customization for a clean release Multiple Drill Sizes: Fits 1-1/8, 1-1/4, and 1-3/8 inch thumb holes Variety of Colors: Wide color selection to match your style and preferences Slug Length: 2-5/8 inches for optimal coverage Hardness: 75 for balanced firmness and flexibility Specifications: Brand: VISE Material: Urethane Length: 2-5/8? Hardness: 75 Drill Sizes Available: 1-1/8, 1-1/4, 1-3/8 Colors Available: Any Color, Black, Black/White, Blue, Blue/Pink, Blue/Purple, Clear, Green, Green/Orange, Neon Yellow, Orange, Pink, Purple, Red, Red/Green, White, White/Pink, Yellow, Yellow/Red, Yellow/Orange, Yellow/Purple Category: Slugs Inserts