200mm (7 7/8″) X 200mm (7 7/8″) sliding jaw bar clamp with cam-action clamping mechanism.These clamps are constructed for use where a metal clamp is too heavy. The jaws are made of white beech and the pressure pads are protected with cork to prevent marring of delicate surfaces. The sliding lower jaw locks with an easy and quick to use cam lever. The dimensions shown above are opening x jaw depth.