Irwin Quick-Grip 12 In. x 3-1/4 In. One-Hand Bar Clamp

Quick change spring-loaded screw. Heat-treated black oxide carbon steel I-beam bar. Removable resin pads. Patented locking swivel jaw conforms to uneven work surfaces. Quick release trigger provides 1-handed use. Up to 300 Lb. of sustained clamping force.