The NATO Lock Rail from Wooden Camera is a miniature NATO rail for the NATO Lock kit. The rail portion can bolt into a 1/4"-20 or 3/8"-16 threaded socket using the included screws - a set screw may also be installed to prevent twisting. The rail is threaded for 1/4"-20 and 3/8"-16 allowing compatible accessories to mount to it. This NATO Lock rail is compatible with RED Swat rails, Zacuto Z-rails, and other 3rd party NATO products.