General Description This package contains 200 galvanized steel springs, ideal for various industrial and household applications. Technical Specifications Material: Galvanized Steel Compression Springs: -5.5x17.5; -5.5x38.0; -6.5x10.0; -7.0x12.5; -7.0x19.0; -9.0x35; -9.5x16; -9.5x19 mm (quantities as shown) Extension Springs: -4.0x79.5; -4.5x44.5; -5.0x20.5; -5.5x25.5; -6.5x22.0; -7.0x98.0; -7.0x51.0; -8.0x28.5; -8.0x31.5; -8.0x44.5; -8.5x36.5; -8.5x47 mm (quantities as shown) Compatibility and Accessories These springs are suitable for a wide range of tools and equipment, including: Automotive tools and engines Medical devices Large equipment Electronics Sensitive measuring instruments Installation The springs can be easily installed by following the appropriate instructions for each application. Be sure to use the correct sizes for compatibility with your equipment. Usage These springs are commonly used in various industries for: Reinforcement of mechanisms Assistance in the operation of mechanical devices Support for various loads Other Information If you have any questions or concerns regarding the product, do not hesitate to contact our customer service for assistance.