Dura-Gold 6-piece premium quality abrasive wire drill wheel and cup brush set with 1/4" round drill shanks for power tool attachment. 6-piece set includes 1 - 2" diameter cup brush and 5 wheel brushes; sizes 2 - 1-1/2", 1 - 2", 1 - 2-1/2", and 1 - 3". Strong, durable wire wheels that are well-filled and crimped with densely packed untempered carbon steel wire bristles. The wheel's wire bristles abrasive stripping action effectively removes rust, corrosion, paint, and other unwanted materials from surfaces. The abrasive action also sands, scuffs, grinds and deburrs metal, wood, plastic, ceramic, and concrete. These wire drill wheels and cup brushes are versatile and valuable tools for various cleaning, deburring, and shaping tasks. For creative purposes, wire wheels can add texture or definition to surfaces. These rotary wire wheels and cup brush can operate at high speeds up to 4500 rpm for maximum efficiency. Dura-Gold 6-Piece Abrasive Wire Wheel and Cup Brush Set, 1/4" Drill Shank, Carbon Steel Bristles - 1 Cup & 5 Wheel Brushes - Surface Prep Grinding, Stripping Metal, Clean Remove Rust Corrosion, Paint