Park Tool Replacement Sponge And Pad Kit Description: The Park Tool Replacement Sponges And Pads restore the Park Tool CM-25 Professional Chain Cleaner to like new condition for continuing the journey in search of that sparkly new chain look. Features Replacement sponges and pads for the Park Tool CM-25 Professional Chain Cleaner Includes two complete sets of sponges and wicking pads, the most common wear items in the CM-25 Chain Cleaner