The standard of the industry for over 25 years the park tool ccp 2 crank puller uses a long comfortable handle and extra fine thread that provides the needed leverage to remove even the tightest cranks please note ccp 4 will not work on crank arms that fit square tapered bottom bracket spindles also note that crankarms with a one key release system self extracting do not require any crank puller tool the one key system acts as the remover if the one key system is removed the ccp 4 can