Metalwork Air tools Air NibblerATN 170 Air Nibbler 1. 2mm Steel, 2. 0mm Aluminium Overview Air nibbler is manufactured to cut up to 1. 2mm steel without leaving burrs or deformed edges. Compact and lightweight design, the tool easily can be operated with one hand. The air nibbler has an adjustable die which can be placed in various cutting positions to suit the application. Features 1. 2mm Mild steel capacity 2. 0mm Aluminium capacity Air inlet 1 4" BSPT Replacement Cutters A082A