Check the listing for details. 6pcs M8 x 40mm Threaded Stud Adjustable Clamping Lever Handle Bolt Knob Black. Condition: New. Listed at 19.94 USD. Specifications:Thread Size: M8 (1.25mm Pitch)Thread Length: 40mm / 1.57"Lever Length: 63mm / 2.48"Hex Socket Size: 4mm / 0.16"Material: Aluminum AlloyFinish: Spray Coated, Black OxideColor: BlackPackage Content: 6pcs x Clamping Lever HandlesDescriptions:Lightweight aluminum alloy clamping lever handles offer excellent strength, durability, and corrosion resistance. The spray coated lever has a smooth, even surface that protects the handle from rust and corrosion. Black oxide threaded male studs with rust protection.The handles allow for adjustable clamping force, easy installation, comfortable grip. The clamping knobs are designed with a quick release mechanism for quick and easy assembly removal, and a locking mechanism prevents slipping or loosening, providing a secure grip to keep them in place during use.