【TC4 Titanium Alloy】: Heavy D-type buckle using TC4 titanium alloy material forging, strong can withstand high strength, super hardness, corrosion resistance and high temperature, light weight, stable structure is not easy to deformation. 【Easy To Install】: Comes with a mini screwdriver to install/disassemble, use the screws, insert the car or door key to tighten, not easy to fall without worrying about losing, easy to install. 【Multi-Purpose】: Horseshoe D-type buckle for hanging household keys, car keys, through the crossbar connection can solve the car wide hole keychain difficult to wear and other issues, easy to go out and carry keys, small tools, etc. 【Metal Texture】: Adopting CNC technology precision processing, surface frosted technology processing, titanium key D Ring can be carried around, very convenient. 【After-Sale Service】: Thanks for your purchase. If you have any problem , please contact us any time. We promise you the solutions within 24 hours.