Molded from ballistic polymer and secured by steel screws, the M4 Rail Prongs smoothly dispenses cards and are key components to the Dango Rail System. Available in multiple colors, the Rail Prongs give the M4 wallets a unique, duo toned, and accented look. Light weight and a tasteful addition to your M4 Maverick Wallet. .050" Hex Tip Key L Wrench included.