One-Handed Quick Release C Clamp, One hand only., Maximum Opening 4 in

One-handed clamp ideal for clamping work pieces securely together. Lightening fast and easy to operate it also works great for glass and plastic work. When appropriate, use a folded cloth or felt pad between the jaw to cushion the clamping force. - To operate, squeeze the trigger until the jaws clamp into the object being held. Continue to squeeze the trigger to exert additional clamping force - up to 275 lb. The top jaw angles (rotates) to match the workpiece surface.
- To release, simply press down the thumb on the release pressure. Clamping jaws release instantaneously.
- Clamping Pressure Range: 20 - 275 lb.