INTERNAL CENTER COIL STRUT SPRING COMPRESSOR REMOVER INSTALLER SUSPENSION TOOL INTERNAL CENTER COIL STRUT SPRING COMPRESSOR REMOVER INSTALLER SUSPENSION TOOL Single Auction Coil Spring Tool, This tool is designed to grasp a maximum 3/4" wire diameter spring. It can used on all springs up to 5-5/8" outside diameter. Internal coil strut spring compressor remover installer suspension tool Internal type used on coil spring that can be reached through the center of coil