Equip yourself with only the excellent during HVAC installation with the Malco 5-blade sheet metal crimper. Each crimp from this tool creates long, shallow double crimps that replicates factory indentations. These longer shallower crimps result in a tighter fitting, more self supporting, leak-proof connection. Made with nickel plating to help resist corrosion and hardened steel for greater strength and resistance to abuse. The Malco 5-blade sheet metal crimper also features comfortable ergonomic RedLine handle's. These handles offer non-slip handle grip contours, spring handle actuation, and a thumb operated handle latch. The engineered handle opening of the tool compliments the natural power stroke of any user's hand.