Size - Thread size: M6 (1mm pitch); thread length: 20mm / 0.79"; lever length: 50mm / 1.97"; hex socket size: 3mm / 0.12"; color: black Material - 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. Feature - The handles allow for adjustable clamping force, easy installation, comfortable grip. Quick release mechanism for quick and easy assembly removal, and locking mechanism prevents slipping or loosening, providing a secure grip to keep them in place. Applications - Clamping lever handles are commonly used in machine applications to secure or clamp components in place, such as industrial machinery (milling machines, drilling machines, lathes), woodworking equipment (saws, routers, planers). Note - Simply lift the handle of the push button ratchet levers to release the gear teeth and rotate freely for quick adjustment. The clamping lever handle can be rotated 360 degrees smoothly and neatly, making it easy to work in tight spaces.