High quality material: The HDD mounting screw is made of high quality and stable metal material with rubber washer, strong structure and long service time. Product size: 3.5 inches; Thread size :6#-32; Screw length :10mm. They are an ideal replacement for old and damaged hard drive screws. (Make sure the size fits your computer before you buy.) Excellent shock absorption performance makes the hard disk run more stable, this hard disk shock absorbing provides excellent shock absorption performance is worth having. Features: This 3.5-inch HDD SSD screw is small in size, light in weight, does not take up too much space, is easy to carry and easy to install. Compatible: Hard disk drive screws are suitable for securing hard drives, such as 3.5-inch SSDS (solid state drives), HDDS (hard drives), and can also be used as shock-proof screws for personal computer cases.