Features: -Easy and quick to cut 14 gauge material and creates a precision burr-free edge. -360 degree dual cutter head for cutting straight lines, curved lines and circles. -HSS cutting blades for cutting including but not limited to: Sheet metal, corrugated material, pipes, complex profiles, powder coated material, steel stainless, copper, aluminum, formica, plastic, fiberglass. -Suitable for any drill running between 1500-3000 rpm, easier and more powerful than normal shears and shears. -Perfect for car repair and home maintenance like cutting metal roofs, HVAC vent pipes and other sheet metal. Steps sheet metal cutting tips: -Drill a starter hole The 4-12mm stepper bit helps you drill a starter hole for the nibbler before cutting a perfect circle with. -Circle cut with f acility Circle cutter attachments will help you cut a perfect circle, the maximum diameter can be 11-2/5 inches. -360 degree cutter head< /p> The 360 degree cutter head provides easy control and has no problem cutting straight curves and circles. It will be a great time saver for cutting sheet metal. Features: Tapping Sheet metal cutter Material Plastic, Stainless Steel Suggested Speed 1500-3000rpm Minimum Shear Radius 1.2cm / 0.5in Cutting capacity 1.2-2mm/0.05-0.08in (Ordinary iron plate: 1.8mm Steel plate stainless steel: 1.2mm Copper aluminum alloy plate: 2mm Plastic, fiberboard: 2mm) Field of 'application Cutting sheet metal, etc. Package included: (optional) 8 pieces 1 X Sheet metal cutter 1 X Screw Hexagon 1 X Step Drill Bit 1 X Cutter Bar 1 X Wrench 2 X Round Cutter Guide Attachment< /p> 1 X Cutting Head