Applicable Scope: Compatible with accessories with standard nut clamps, such as Black Magic Camera, Red Epic/Scarlet, Slide Mount, Nut Handles, etc. (Adjustable) The NATO rail can be fixed to the desired position by sliding to make it easy to remove the center of gravity. [Fall Prevention] There are also spring loaded pins on both ends of the rail, so you can prevent your accessories from accidentally falling out. Easy to use: The NATO rail can be adjusted by sliding and is easy to put on and take off. The included 1/4" screw (camera machine screw) allows for a secure fit. Aluminum Material: Aluminum alloy material is extremely lightweight and corrosion resistant. While maintaining beautiful design and strength, the lightweight camera rig is an innovative accessory that enhances scalability. Product Specifications: Material: Aluminum alloy; Color: Black; Product Weight: 2.4 oz (66 g); Product Dimensions: Length: 2.8 inches (70 mm); Package Contents: NATO Rail: 1 pc; 1/4 inch screw: 2 pcs; Hex wrench: 1 pc; Safe Quality: Ships from Amazon delivery center, so it can be quickly and safely delivered to your home. There may be scratches or dents on the outer box during transportation, but please rest assured that the contents will not affect the product. Also, if you have any questions or problems about the product, please feel free to contact us at any time.