A shop version of Park Tool's world famous Chain Scrubber built for daily use. The CM-25 features a super-tough die-cast A380 aluminum body and handle plus a unique brush/sponge replacement cartridge for easy cleaning and replacement. Our proven four-brush scrubbing design cleans chains thoroughly inside and out and dual-sided sponges and wicking pads help to reduce drips. The brush and sponge cartridge quickly and easily clicks in and out for cleaning and replacement. 100% serviceable and rebuildable the CM-25 is a shop-quality cleaner built to give years of constant use. Durable A380 aluminium die cast case and removable handle Dual sided sponges and wicking pads to help reduce drips Rotating brushes clean on all four sides of every link Brush and sponge cartridge quickly and easily clicks in and out QKRBS25 Locking cover with stainless steel hinge pins Choose drip or immersion fluid application methods 100% serviceable Massively prolongs chain life when used on a regular basis