By pressing down on the handle button the serrations are disengaged and the handle can then be turned to the desired position. Clamping lever is made from high quality alloy and surface is finished by power coating or blackening for protection. The classic element find use in machine constructiontool making and plant constructionheavy-duty applications. The inside return spring automatically engages the teeththe handle can then be fixed in original position. Suitable for using in applications requiring frequent and quick adjustments or working in confined areas, such as lathe machine, woodworking machinery, packaging machinery, printing and industry equipment., Manufacturer: IMGASDCSD