Features: Stainless steel construction for corrosion resistance and abrasion resistance. Adjustable position handle adjustment is primarily used for mechanical operations such as height of location. Exquisite workmanship. Each edge can lock the screw precisely without damaging the screw. This handle is limited to the angle of the lever due to the limited amount of rotation of the lever. Applicable range: Packaging: Mechanical equipment all-purpose knife grinding machine, machine tool, welding equipment, printing equipment, woodworking, machine packaging, machine staining, etc. Material: Stainless steel, Color: Black. Specifications: Handle length Weight Package List: 4 x Female Thread Adjustment Handles