Jaw has 1 serrated edge to prevent the material from slipping and 1 smooth edge, providing a clean cut. Black oxide coating ensures longevity of blades. Improved pivot bolt design offers increased durability and the low profile design helps accessing restricted areas. Ergonomic handle with thick rubber overmould for comfortable use and decreased risk of injury. Ideal for ducting work, HVAC, metal fabrication, roofing and guttering as well as in drywall construction jobs. Cuts 18ga Multi-Material Drop-Forged Steel Alloy Blades Rubber Ergonomic Handle Locking Lever Cuts 18ga Multi-Material Drop-Forged Steel Alloy Blades Rubber Ergonomic Handle Locking Lever