Representing the latest in water pump plier technology. Automatically adjusts to required size by using one hand Patented system allows for easier, faster, and safer work in confined areas without losing features of traditional water pump pliers. Designed and manufactured to outperform DIN specifications and ISO testing standards. Length 175mm (7in.). Jaw width 8mm. Jaw Opening 35mm. Jaw Depth 26mm. Material 50CrV. Tooth Hardness 51RC. Maximum pipe capacity 32mm. Maximum nut capacity 30mm. Weight 168g.