Aviation snips that cut up to 18 gauge mild steel 0.7-1.2mm in straight line. Ideal for cutting aluminium, sheet UPVC, wire mesh, leather, copper or plastic. Blades are made from forged steel alloy and nuts and bolts are chrome-plated to ensure strength and durability. Serrated cutting blade edges prevent material slippage during application. Automatically unblocks by applying slight pressure.