Description: A valve spring compressor is specially designed to help remove and compress valve spring convenient and safe. Our professional valve spring compressor is a perfect tool for use on most car, small van and motorcycle engines. There are 5 different size adaptors suitable for various spring diameters on most cylinder heads. It allows you to correctly fit the valve spring and makes it more easier to compress. Don't let slip it 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. Perfect for use on most car, small van and motorcycle engines. Made of solid steel material, heavy duty construction, sturdy and durable. Complete 10 pcs parts are well packed and assorted in a plastic box for convenient storage and carry. Specifications: Material: Steel Color: As Picture Show Each Adaptor Length: 4.7cm/1.8" "C" Clamp Size: 16 x 28cm/6.3" x 11.0" Extension Screws Size: 11.3cm/4.4", 11.3cm/4.4", 7cm/2.7" Compression Bar Size: 10cm/3.9" Storage Case Size: 32 x 20 x 4cm/12.6" x 7.8" x 1.5" Package Weight: Approx. 1.4kg Fitment: For most car, small van, motorcycle engines Package Included: 1 x Spring Compressor "C" Clamp 5 x Adaptors 3 x Extension Screws 1 x Compression Bar 1 x Storage Case Note: Please allow 1-3cm error due to manual measurement. Thanks for your understanding .