Quickly removes valve keepers on overhead valve enginesMakes valve component disassembly and reassembly fast and easyComes in skin-packCan be used on the car or a work benchPush or tap tool with a hammer to remove valve keepers. A magnet in the tool body captures the keepers for quick removal and valve disassembly. To install keepers, load keepers into the installer. Push or tap to install. Can be used on the car or a work bench.