Features: -Easy and quick to cut 14 gauge materials and creates a burr-free precision edge. -Dual 360 degree cutting head for cutting straight lines, curved lines and circles. -HSS cutting blades to cut including but not limited to: Sheet metal, corrugated material, pipes, complex profiles, powder coated material , stainless steel, copper, aluminum, formica, plastic, fiberglass. -Suitable for any drill operating between 1500-3000 rpm, easier and more powerful than normal shears and shears.< /p> -Perfect for car repair and home maintenance like cutting metal roofs, HVAC vent pipes and other sheet metal. Steps for cutting sheet metal: -Drill a starter hole The 4-12mm step drill bit helps you drill a starter hole for the nibbler before cutting a perfect circle with it. -Circle cutting with ease Circle cutting accessories will help you cut a perfect circle, the maximum diameter can be 11- 2/5 inch. -360 degree cutting head The 360 degree cutting head allows for easy control and has no problem cutting straight curves and circles. It will be a considerable time saver for cutting sheet metal. Features: Type 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 < p>(Ordinary iron plate: 1.8mm Stainless steel plate: 1.2mm Copper aluminum alloy plate: 2mm< /p> Plastic, fiberboard: 2 mm) Scope of application Cutting of sheet metal, etc. Package included: (optional) 8 pieces 1 1 X Step Drill Bit 1 X Cutting Bar 1 Cutting head