Application: smaller size Fits for four cylinder and for Engine applications. Works on automobiles, motorcycles, and boats.A magnet is built into the main body of the tool to attract and fix the retainer immediately before it falls into the engine. Avoid any potential damage. Great Performance: Our tool fast removes and Installs Valve Keepers on most overhead valve engines with valve stems from 4.5 to 7.5mm and 7.9 to 9.5mm without removing cylinder head. Makes the disassembly and reassembly of valve components quick and easy. Easy To Use: Push or tap the tool with a hammer to remove valve keepers. Magnet in tool body captures keepers for quick removal and valve disassembly. To install keepers, load in retainer on the valve stem, then push or tap handle to install. Can be used on the car or bench. Superior Material: Made of high quality steel, CNC process precision manufacturing, sturdy and , rust , impact-, - the tool is not bent and the valve spring is not loose for a long-term and reliable performance. Colour:Silver & Black Material:Steel+ABS Package Contents: 1Set x Valve Spring Compressor Installer 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.