KwikTool® 12" No Kick-Back KwikTool® BB1200 Blade! The C7 Bad Blade is designed for MITRE, Circular, Table, Chop, Radial Saws and Angle Grinders. The Bad Blade cuts through Wood, Wood w/nails, Steel, Iron Pipes, Sheet Metal, PVC, Laminates, Plastics, Copper, Aluminum and more with no Kick Back! Size: 12" diameter, 5/8" arbor, 72 tooth. Imported.