【TC4 Titanium Alloy】: The D-type keychain is made of TC4 titanium alloy, which is lightweight, high strength, temperature resistant and not easy to rust. 【Frosted Quality】: The horseshoe fob is processed by CNC, the surface is frosted, simple and beautiful. 【Easily Installation】: The D-shaped crossbar keychain is equipped with a small screwdriver, unscrew the screws when using, insert the key to tighten, not easy to fall off. 【Lightweight】: TC4 titanium keychain weighs only 3g, 2.1cm high and 2.0cm wide on the outside, small and exquisite, no burden to carry. 【Strong Practicality】: Horseshoe buckle for hanging household keys, car keys, can solve the car keychain difficult to wear and other issues, convenient to go out and carry the keys.