The 10pcs Overhead Valve Spring Compressor Installer Remover Tool is used to compress valve springs or safely dispose of cylinder heads when removing and installing most cars, motorcycles or other small engines. Premium Quality:This Valve Spring Compressor Tool is constructed from high-quality metal with a black-oxide finish, durable, resisting rust and corrosion. The Auto Valve Spring Compressor C Clamp Service Kit includes a wide C clamp, 3 extension rods (3inch 4.4inch 4.4inch), 5 collet adapters (16 19 23 25 30mm), and a 4-inch hand lever. Length of each collet: 1 & 3/4inch; Max jaw opening 9-1/2inch. Wide Application:The Valve Spring Installer Remover Compressor Tool Set fits for Most Car, Small Van, ATV, UTV and Motorcycle Engines. Suitable for professional mechanics and beginners. Easy Storage and Transport:The C clamp service kit comes with a plastic carrying case, easy for transport,storage and quick organization. Colour:Red/Blue Material:Metal Package Contents: 1Set x Valve Spring Removal Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.