High performance alloy steel and two-component 1000V handles for maximum grip and comfort. Self-adjusting patented lateral lever. Flat and round grip shape with auto-tightening device and narrow design head for great accessibility in confined spaces. Hardened teeth for a long product life and strong gripping on any shape. Slim jaws provide easy accessibility. Designed to prevent fingers being pinched. Phosphate finish, and anti-corrosion treated. Max. Jaw Opening: 40mm Hardened Hardened Steel Jaws Bi-Material Ergonomic Non-Slip Handle Self-Locking 18 x Locking Jaw Positions Tested to 1000V, Rated to 1000V AC Sturdy Box Joint Frame & Slim Design Max. Jaw Opening: 40mm Hardened Hardened Steel Jaws Bi-Material Ergonomic Non-Slip Handle Self-Locking 18 x Locking Jaw Positions Tested to 1000V, Rated to 1000V AC Sturdy Box Joint Frame & Slim Design