Effective clamping and movement mechanism guarantees parallel jaw operation.Grip design and quick-release trigger for easy position changes provide simple, one-handed operation. Quick change screw to allow for easy conversion to spreader eg. while fitting door frames. Soft jaw covers, protect the clamped material against damage. Designed for efficient material clamping during assembly, processing and gluing, etc. Ideal choice for professional contractors, cabinet makers, carpenters and installers.