Alfa Tools Crimped Wire Wheel 4\” diameter wheel Coarse 1/4\” shank – 1\” length 0.012\” Wire Diameter 4500 RPM max Product Description Specs Alfa Tools 4\” Coarse Wire Wheel – 1/4\” Shank. 0.012\” Wire Diameter. 4500 RPM max. All-steel construction. Applications include deburring, blending, removal of rust, scale, dirt, & finish preparation prior to painting or plating. Made by Alfa Tools. Made in Spain. Product Model Alfa Tools 4\” Coarse Wire Wheel – 1/4\” Shank WB67107 For California Residents: WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood