Quick Clamping Piece is easy to operate. Can be put into every hole of the all parts of Modular welding table system to work.
Moving a stop ring up and down can adjust its height. The clamping pads are interchangeable. 
Clamping bridge(2-point & 3-point) is used for multiple simultaneous clamping points or clamping difficult to reach or simultaneous clamping of multiple parts.