It is applicable to the fixation of sports camera and SLR camera accessories and the fastening of the guide rail, suitable for sea water, outdoor and humid environments

Specification:
Material: Aluminum alloy,Iron nickel plating; Color: Black; Size:28 x 19.5mm/1.09 x 0.76inch(L x W); Threading size: M5 x17mm；Handle Length: 28mm/1.09inch; Pack list: 2Pcs x Threading Rotating Knob

Advantage:
Made of aluminum alloy, rustproof, rugged, and durable. The adjustable knob screw is spring loaded which can be pulled up and turned to a more friendly position after being tightened.

Instruction:
Insert the screw directly into the accessory to be fixed, and turn the handle to adjust. When the handle is blocked by other objects, it can be pulled up, rotated to the appropriate position, and continue to tighten the screw.

NOTE:
Please confirm the correct size before ordering, especially the size of the threading screw