This Is Dremel"s Aluminum Oxide 1" Abrasive Wheel Accessory Bit. FEATURES: A high-quality industrial abrasive made for extended usage. Perfect for cleaning, deburring, removing rust and polishing most metals--including stainless steel. Remove paint from metals, clean rust and grime from faucets, tools, and other metal items. INCLUDES: One Abrasive Wheel Bit REQUIRES: Rotary Tool SPECS: Stone Diameter: 1" (25.4mm) Shank Diameter: 1/8" (3.2mm) kr9/27/01 ir/kh