Feature: 1. Professional valve spring compressor tool allows you to remove and compress valve springs on most cylinder heads more convenient. 2. Comes with 5 adaptors for various spring diameters, as well as to fit valve spring correctly for safe and easy compression. 3. Used for most car, small van and motorcycle engines. 4. Made of solid steel material, heavy duty construction, sturdy and High quality. 5. Well packed and assorted in a plastic box for convenient storage and carry. Specification: A valve spring compressor is specially designed to help remove and compress valve spring convenient and safe. The professional valve spring compressor is an useful tool for use on most car, small van and motorcycle engines. Features: Professional valve spring compressor tool allows you to remove and compress valve springs on most cylinder heads more convenient. Comes with 5 adaptors for various spring diameters, as well as to fit valve spring correctly for safe and easy compression. Used for most car, small van and motorcycle engines. Made of solid steel material, heavy duty construction, sturdy and High quality. Well packed and assorted in a plastic box for convenient storage and carry. Specifications: Material: Steel Each Adaptor Length: 47mm / 1.8" ""C"" Clamp Size: 190 * 160mm / 7.5 * 6.3" Extension Screws Size: 113mm / 4.4", 113mm / 4.4", 70mm / 2.7" Compression Bar Size: 100mm / 3.9" Storage Case Size: 320 * 200 * 40mm / 12.6 * 7.8 * 1.5" Fitment: For most car, small van, motorcycle engines Package Weight: 1160g / 40.92ounces Package Size: 320 * 200 * 40mm / 12.6 * 7.87 * 1.57in Packing List: 1 * Spring Compressor ""C"" Clamp 5 * Adaptors 3 * Extension Screws 1 * Compression Bar 1 * Storage Box Package List: 1 * Spring Compressor ""C"" Clamp 5 * Adaptors 3 * Extension Screws 1 * Compression Bar 1 * Storage Box