Description:  Double Headed Sheet Metal Nibbler Cutter Drill Attachment Nibbler for 360 Degree Rotatable Circle Cutting Straight Cutting.    Features:  -Easy and fast to cut 14 gauge material and creates a precision, burr free edge.  -360 degree double cutting head to cut straight line, curve line 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, aluminium, formica, plastic, fibreglass.  -Fits any drill that works between 1500-3000 RPM, more easy and powerful than normal shears and snips.  -Perfect for car repair and house maintenance like metal roof cutting, HVAC vent pipe and other metal sheets.  Sheet metal cutting steps:  -Drill a starting hole.  4-12mm step drill bit helps you to drill a starting hole for the nibbler before cutting a perfect circle with it.  -Circle-cutting with ease.  The circle cutting accessories will helps you to cut a perfect circle,the maximum diameter can be 11-2/5 inch.  -360 degree cutting head.  The 360 degree cutting head allows easy control and has no problem to cut straight curve and circles.  It will be a big time saver for cutting sheet metal.    Specifications:  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;   (Ordinary iron plate: 1.8mm;   Stainless steel plate: 1.2mm;   Copper and aluminum alloy plate: 2mm;   Plastic, fiberboard: 2mm);  Scope of Application  Metal plate cutting, etc.    Package Included:(optional);  Option 1: 8pcs;  1 X  Sheet Metal Cutter;  1 X  Hex Screw;  1 X  Stepped Drill;  1 X  Cutter Bar;  1 X  Wrench;  2 X  Cutting Round Guide Accessory;  1 X  Cutting Head;  Option 2: 6pcs;  1 X  Sheet Metal Cutter;  1 X  Hex Screw;  1 X  Stepped Drill;  1 X  Wrench;  2 X  Cutting Round Guide Accessory;    If you need more replaced accessories(Replacement arbor/Cutting holder/cutting round guide), please click to check ID: 1916031