Exceeds ANSI standards for cutting performance and durability. Serrated cutting edges prevent materials from slipping during use. Double overwind spring for longer life. High-leverage, compound cutting design cuts up to 18-gauge steel. Slip-resistant, bi-material cushion grip. Latch automatically releases with the squeeze of the handles. Chrome-plated hardware. Excellent for cutting aluminum, vinyl siding, screening, cardboard, leather and copper.