A shop quality version of the CM-5.2 chain cleaner- 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- Dual sided sponges and wicking pads help reduce drips- Locking cover with stainless steel hinge pins- 100% serviceable; See PK8304 for CM-25 rebuild kit