Constructed Of High-Tech Reinforced Resin For Strength And Durability. These Clamps Are 25 Percent Smaller For Working In Confined Spaces. Exerts Up To 150 Lbs. Of Clamping Pressure. Pistol Grip Design Enhances Comfort And Ease Of Use. Non Marring Pads Grip Firmly And Protect Work. Throat Depth 2-7/16".