Overall Length: 18"Max Jaw Capacity: 8"Constructed Of High-Grade Heat-Treated Alloy Steel For Maximum Toughness And DurabilityFaster And Easier To Use Than Standard "C" Clamps, Small Contact Point Of Regular Tips Makes Them Ideal For Holding Irregularly-Shaped ObjectsTurn Screw To Adjust Pressure And Fit Work, Stays Adjusted For Repetitive UseCompound Action For Powerful Non-Slip Locking Grip