Kuuma 4.5" Spring Assisted Knife has a serrated edge, is 3mm thick and is made of 420 stainless steel. The durable handle is constructed of black reinforced nylon and the stainless steel clip and blade won't rust or corrode. Liner lock keeps blade in open position while in use. Dimensions: Closed = 4-1/2" Open = 7-3/4" Blade = 3-1/2
