Manufactured from forged, oil-hardened chrome vanadium electric steel, with PVC-dipped handles for comfort and positive grip. Features fast, automatic adjustment using push-button, directly on workpiece with no unintentional slipping of the joint. Allows optimum adaptation to different sizes of workpiece, and comfortable handle width. Integrated adjustment spring shielded in handles for user safety. Gripping surfaces with hardened teeth for high wear-resistance and stable gripping. Max. Jaw Opening: 120mm Drop-Forged, Heat-Treated & Hardened Chrome Vanadium Steel Jaws PVC Dipped Handles Locking Box Joint 20 x Locking Jaw Positions Max. Jaw Opening: 120mm Drop-Forged, Heat-Treated & Hardened Chrome Vanadium Steel Jaws PVC Dipped Handles Locking Box Joint 20 x Locking Jaw Positions