●These adjustable handles with internal thread are made of stainless steel, corrosion resistant and wear-resistant and durable. ●The adjustable handle adjustment is mainly used for mechanical control parts of position, height, etc. ●Exquisite workmanship, each edge can lock screws precisely, no damage to the screw. ●This handle is especially limited for the lever rotation angle due to lack of space. ●Scope of application: such as packaging machines, universal knife grinding machines, machine tools, welding equipment, printing equipment, woodworking machines, packaging machines, dyeing machines, etc. Necessary parts of the machine.