Made of iron and rubber, which offers outstanding impact resistant, the solid construction is designed to against corrosion and damage. It is stable and practical, good performance, durable, it will bring you a good experience.Features-Color:Silver-Material:Iron, rubber-Size:4.80X2.20X2.00cm/1.89X0.86X0.79in- Enhanced Stability: Four-hole hole design for added strength and reliability.- Exceptional Durability: Crafted from iron, rubber materials for long-lasting performance.- Easy Installation: Simple and hassle-free installation, saving you time and effort.-Effectively reducing the noise caused by friction with the sofa repair springs, no need to remove the cushion or fabric.-Lightweight and easy to install and operate, high precision, strong reliability, to ensure safe use.Packing list20 Couch Spring Repair Buckles