The #4 4 In. Max Circle Cutter can produce precision circles in sheet metal, brass, copper, soft steel, aluminum, plastic, wood and composition materials. 

• Durable body of heat-treated tool steel
• Adjustable to various diameters by the included hex wrench
• Only safe to use with drill press running at less than 500 rpm
• Included blade (#4/5 Blade) and 1/4 in. pilot drill bit (#5/6/55 Drill) are replaceable

Inclues: