The Carlyle 3-pc Slip Joint Pliers Set offers a one-piece rivet head design to provide durability in twisting and turning applications. The pliers are made from chrome molly steel material for use on tough applications, and they have comfort, non-slip grips for added security when in use. The Carlyle pliers also offer handle configurations designed to apply maximum torque, and precise induction hardened rivets for ultra smooth operation and long life, according to the company.