High-quality material: The D-ring pull tab is made of high-quality iron with a black protective layer, which is corrosion-resistant and rust-proof, and can be used for a long time, which is very practical. Strong load-bearing capacity: D-ring tie-down buckles, strong and durable, each hook can bear a weight of 30 kg. So you can use it on different cars and boats with confidence. Ideal for transporting bundled items. Package information: The package includes 8 black tie-down eyelets, the D-ring size is 37.5*26*3 mm and the bracket width is 1.6 cm. The holes above the bracket are 4.5mm and do not include any nuts or screws. EASY TO INSTALL: Our car trailer tie down eyes are designed with a screw hole of only 4.5mm in diameter and can be easily installed on the surface of any material using screws with a diameter of less than 4.5mm. The D-ring can also be welded to the metal surface of the housing or box for a more secure connection. Wide Application: The trailer tie down eyes are