Professional clamps for commercial or occasional use 11" welding clamps Manufactured from chrome vanadium steel for strength and durability Drop forged and tempered for added strength and durability and thin nickel plated for rust and corrosion resistance Locking clamps for accurate work Fast release C Clamp with regular tips has an easier controlled one handed opening trigger mechanism Hold parts in proper alignment even with materials of different thickness Also features a bolt that is used to adjust the spacing of the jaws (allowing different thickness of material to be used easily and effectively) as well as allowing for fine adjustment and additional controlled release of the tool. Held under extreme conditions such as welding and hammer strikes allowing for accurate work to be achieved quickly and easily Increased finger room allows for access into tight areas Small jaw area at contact point ideal for close working quarters Features adjustable locking design to free your hands up when welding Swivel pads for ease of use and clamping at different angles Rubber soft grip handles for comfort and grip when using the item SPECIFICATIONS • Total length of the clamps - 11" / 280mm • Maximum opening of the clamp - 50mm • Pack size - this listing is for 4 clamps