The JNB Pro Bar Clamp with large trigger for quick release is a Medium Duty with Reinforced nylon body, 13/16″ x 3/16″ steel bars that provide great resistance has 265lbs of clamping force, Reversible to spreader with just one button press, the soft and articulated pads promotes a better grip for angled surfaces. The handle is designed to have a comfort and better grip. Works great for Professional and DIY projects. Quality Construction – Reinforced nylon body, 13/16″ x 3/16″ steel bars provide great resistance, the soft and articulated pads promotes a better grip to angled surfaces. Works great for Professional and DIY projects Clamp and spreader- Reversible to spreader with just one button press and flip the throat. Clamping Force – Medium Weight Clamp With 265 lbs. of clamping force. Handle Design- The Handle is designed to have a comfort and better grip. Comes in 3 different sizes: 6", 12" and 30"