Excellent Material: The screw-on alloy D-ring is made of high quality alloy. The high quality material makes the alloy D-buckle strong and durable, with fine workmanship and no fading. Easy Installation: The unique aluminum D-buckle design, no screwdriver needed when using, Tool-free installation, easy to use, simple and convenient. Suitable for DIY enthusiasts: These aluminum D-rings can be adjusted as you like, eg. B. using two rings to adjust and lock the seat belt. Strong load-bearing capacity: These D-ring fasteners are made of sturdy metal with good load-bearing capacity and can withstand sudden shocks.Versatile: The screw-on aluminum D-ring can be used to attach to ties, straps, dog collars, leashes, backpacks, belts or wallets. Features: - The buckles are made of high quality material, durable, easy to install and use, long service life. - Professional removable screw design for use with bag straps. - It can also be used for straps, ropes or smaller ropes and has many uses. - Non-slip buckles make it more convenient to meet your needs. - D rings are suitable for making belts, straps and garments, luggage straps and backpacks. Specification: Material: Metal Size: 3.1*1.8 cm / 1.2*0.7 inch Color: as picture show Scope of delivery: 8 * D-rings