Innovative Plastic U-Nuts are an ideal cost-effective solution for many applications that could benefit from plastic alternatives to metal Cage Nuts, U-Nuts, J-Nuts, or Spring Metal Clips. They are easy to install and remove, lightweight, and have a self-locking design whose spring action and cut spacer provide a secure fit. Plastic U-Nuts are perfectly suited for applications involving plastics with foam or materials of varying thickness. Standard parts come in 8 sizes covering a wide grip range compatible with most common screw sizes, including engineered threaded fasteners for plastics. Specials are available upon request.*International Patents pending.