Adjustable Clamping Lever HandleProduct Details1.Reinforced bolts with locking levers, high precision, not easy to slip. Zinc alloy handle, strong structure, long service life. Provide comfortable hand grip and easy to install.2.Clamping handle knobs with plated steel parts ensure durability, and offer increased stability and rigidity. Threaded male stud with black oxide finish for rust protection.3.Standard Thread Size: M8 (1.25mm Pitch); Bolt Length: 40mm / 1.57"; Lever Length: 58mm / 2.28"; Hex Socket Size: 4mm / 0.16"; Main Color: Matte Black4.Just lift the handle of the push button ratchet levers to disengage gear teeth and rotate freely for quick adjustment. The clamping lever handle can be rotated freely 360 degrees, smooth and neat.5.