Tools | Cuts Precise Holes in Stainless Steel, Mild Steel, Drywall, Ceiling Tile, Laminates, Wood and Plastic | "Cleans Cable Insulation, Metal, Electrical, and Mechanical Parts" | Tightening | 1/4", 5/16", 11/32", 3/8", 1/2", 7/16", 9/16"Southern Tier Electric Supply