Required for ÷hlins fork rebuilding and cartridge installation of ÷hlins FKS 508 cartridges. This tool uses a 3/8" drive end and provides easier assembly and disassembly when servicing specific ÷hlins forks. Designed and engineered to be used with the KRT Forks (FF52X), Dynamoto Forks (FGRT 205s), and FKS 508s