Lanxri Quick Release NATO Safety Rail Set (2", 2.8", 3.9") Product Feature 2" and 2.8" and 3.9" NATO Rails Compatible with NATO Accessories Spring-Loaded Safety Pin at Both Ends 1/4"-20 Mounting Screws Included Red Anodized Aluminum Alloy Product Description The set includes 2", 2.8" and 3.9" NATO rails designed for securing NATO-compatible accessories such as handles, clamps, and articulating arms and so on. Each offers quick release functionality for your NATO clamp gears. Each can be attached to plates, cages, and other surfaces with two 1/4"-20 threads, and also features a dual-slotted design so you can space out the screws as needed. Spring-loaded pins at either end of the rails prevent your accessory from sliding off accidentally. Net Weight: 102g You Get: 1 x NATO Safety Rail (2") 1 x NATO Safety Rail (2.8") 1 x NATO Safety Rail (3.9") 6 x 1/4"-20 Screw 1 x Allen Wrench Before you place an order, please provide me with English information to facilitate our delivery and logistics