【Material】The clamping lever is made from high quality alloy and is finished by power coating or blackening for durability and rust High quality materials can bring you a good experience 【Different Sizes】There are six different thread length for these M8 clamping levers from which you can choose the proper one to meet your need, and it can bring convenience to your work 【Wide Application】The clamping handle lever has classic element and is used in machine construction, tool making and plant construction, heavy-duty applications 【Advantage】The m8 clamping lever has inside return spring automatically engages the teeth, the handle can then be fixed in original position Method】By pressing down on the handle button the serrations are disengaged and the handle can then be turned to the desired position