1. Metal nibbler drill attachment fits any drill bit operating between 1500-3000 RPM 2. Made of high hardness material, can easily handle 0.8mm stainless steel, 1.2mm sheet metal, etc 3. Suitable for cut sheet metal, corrugated material, pipes, complex profiles, powder coated material, stainless steel, copper, aluminium, formica, plastic, fibreglass, etc Maximum shearing capacity: Iron plate: 0.8-1mm White iron plate: 1-1.2mm Steel plate: 0.8-1mm Copper plate: 1.5mm Aluminum plate: 1.5mm Weight: Appx 500g Colour:silver Material:Metal Package Contents: 1 set x metal nibbler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.