AES Industries 1300 Buffing Wheel Mandrel 1/2 Arbor (1/4 Shank) Quality one-piece construction offers durability and strength The 1/4" shank and 1/2" body holds all 1/2" bore accessories Compatible with buffing, polishing and wire wheels Can be mounted in most drills and die grinders with 1/4" collet 25,000 RPM Max; Overall Height: 2-1/4"; Top and Washer Diameter: 1"; Shank Height: 3/4"