About this item Product 1: Mini Bar clamps exert up to 150 psi. of clamping pressure Product 1: Handi-Clamps feature QUICK-RELEASE triggers for fast and easy positioning Product 1: All clamps constructed of high-tech reinforced resin for strength and durability Product 1: Backed by the IRWIN Lifetime Product 2: NON-MARRING PADS: Grip firmly and protect your workpiece from scratches and scuffs Product 2: QUICK-GRIP DESIGN: One-handed triggers release the clamps instantly Product 2: STURDY: Resin construction with hardened steel bars to prevent flexing and bending Product 2: 140LBS of force: Keep your workpiece together and evenly distribute 150LBS. of force