A shop quality version of the CM5.2 chain cleaner \n Features a super tough diecast aluminum case and handle plus a unique brush/sponge replacement cartridge that makes it easy to keep it running smoothly and working properly \n Dual sided sponges and wicking pads help reduce drips \n Locking cover with stainless steel hinge pins \n 100% serviceable; See PK8304 for CM25 rebuild kit