Lanxri Standard NATO Rail Clamp Quick Release Swat Rail Clamp With 1 or 4"-20 Mounting Points Product Feature Standard quick release NATO clamp Comes with 1 or 4"-20 mounting points Knob for quick lock and release Compatible with NATO rails or other accessories with NATO rails Material: aluminum alloy Product This quick release NATO clamp comes with single locking knob and several 1 or 4"-20 mounting points, it's compatible with NATO rails or other accessories with NATO rails, meanwhile it can be attached onto any devices with 1 or 4"-20 mounting points such as a cage or a handle etc. It features quick and easy attach and detach of the two parts, conveniently the NATO clamp can slide along the safety rail on and off and secure in place by a knob. Net Weight: 31.5g You Get: 1 x Standard NATO Clamp With Locking Knob and 1 or 4"-20 Mounting Points Before you place an order, please provide me with English information to facilitate our delivery and logistics Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.