What's Included: 2 - Washers and 1 - 1/2 inch Nut | Brand Name: Dico | Compatibility: Cordless Or Corded Drills | Length: 3 in. | Number in Package: 1 pc. | Packaging Type: Carded | Shank Diameter: 1/4 in. | Shank Type: Round | Usage: Adapter for Mounting Buffing wheels to Drill Tool Dico has a variety of accessories here which will make your buffing or polishing easy and convenient. Drill mounts, flex shafts, arbor adaptors and tapered spindles can all help you get the job done right. | What's Included: 2 - Washers and 1 - 1/2 inch Nut | 1/4 in. round shank mandrel for all corded and cordless drills | High quality steel, zinc plated | Used to hold drill accessories | Side plates hold accessories securely | Adapts accessories with 1/2 inch arbor holes for use in standard chuck drills | 1/4 inch round mandrel fits both drills and die grinders