GREAT QUICK RELEASE FUNCTION: This woodworking pliers set can fix parts quickly and precisely, the trigger design allows for simple, one-handed operation, the arm slides and holds the wood in place. Quick release trigger clamp, adjustable soft PVC pads for proper positioning, ratchet design for precise tightening. Can convert to a spreader. Sturdy structure and material: The one-handed grippers are made of plastic and aluminum alloy, sturdy and durable with long service life. New grip and trigger for easy one-handed operation. Flexible and sturdy structural design to make woodworking easier and more convenient. Easy to use: This handy addition to your workbench can be operated with one hand. Pull the trigger several times until you reach the desired clamping force or distance. Trigger works the same when converted to spread function You will get 4 x 4inch clamps, maximum clamp spacing is 10cm, strength tightening is 11 kg. Can easily reverse the jaws and turn the pliers into an expandable pliers or expander tool. Wide Application: Widely used in furniture manufacturing and packaging industry. Suitable for spreading or clamping parts for welding, gluing or woodworking projects. Perfect toolbox accessories for woodworking and woodworking, metal processing, modeling, etc.