This wheelchair headrest mounting clamp measures 2 1/2″ Long x 1 1/2″ Wide x 1 1/2″ Deep. Made from a Heavy Duty Steel Material with Durable Components. It was created to comfortably secure a Headrest Pad to a wheelchair. When attached, the Headrest Pad is securely in place. This Headrest Mounting Clamp Standard Size is easy to clean, and includes high-quality material for one’s use. It is competitively priced while ensuring long-lasting use and superior durability.