Thumb Slugs

Vise Inserts Urethane Easy Thumb Slug Easy 100% Urethane Thumb Slugs for Bowling Ball Easy to carve leaving a quick, clean release. Drill Sizes: 1-1/8, 1-1/4 & 1-3/8 Colors: Yellow, White, Pink, Green, Orange, Blue, Grape, Black,...

Vinyl Thumb Slug Soft and easy to carve.  Drill Sizes: 1-1/8, 1-1/4 & 1-3/8 Colors: yellow, white, pink, green, orange, blue, purple, black, and red.  Length: 2-5/8.  Hardness: 45

Vise Pro V2 Vinyl Thumb Inserts Drill Size 1-1/8": 51/64, 13/16,53/64, 27/32, 55/64, 7/8, 57/64,29/32, 59/64, 15/16, 61/64,31/32 and 36/64. Drill Size 1-1/4": 1, 1-1/64, 1-1/32,1-3/64, 1-1/16, 1-5/64,1-3/32 and 1-7/64.