The Tolsen Industrial straight jaw locking pliers provide a secure, hands-free grip for clamping and holding workpieces firmly in place. Forged from chrome vanadium steel with a nickel finish, this 165mm model is built to withstand demanding tasks, featuring a material hardness between HRC52 and HRC56 to ensure long-term durability. With a 40mm jaw opening, this specific size allows you to select the right tool for the scale of your project, whether you are performing delicate repairs or precise mechanical work.