268963 Color Black Brand N/A Model N/A Material Aluminum alloy Quantity 2 Piece Gun Type Suitable for caliber 30mm or 25mm flashlight， laser， gun-sight or long-barrelled gun; With one universal gun rail mount(20mm)， can use together with 20mm rail tactical accessories. Rail Size 20mm Mount Type Others， Ring Diameter 25/30mm Packing List 2 x Mounts 1 x Hex wrench 4 x Gaskets