This F-Clamp is made from carbon steel and has malleable cast iron jaws, all nickle plated for corrosion protection. It is capable of evenly distributing up to 450kg of sustained clamping force. The quick adjustment handle has a comfort grip for easier operation. The soft protective plastic jaw guards prevent damage to surfaces. Features & Benefits:Carbon steel bar and malleable cast iron jaws, with nickel plating for corrosion protectionSoft grip handle for comfortQuick adjustment handleSoft protective plastic jaw guards to prevent damage to surfacesSpecifications:Capacity: 300mmThroat depth: 120mmClamp pressure: 450kgContents:1 x F-Clamp, 300mm