Special Note: The CK-1 Cleaning Kit and the NP-1 Replacement Needle are not for use with the Stack-O-Matics. Use part numbers NS-1 Needle or the CK-2 Cleaning kit for Stack-O-Matic models.The Crosley record cleaning kit is the perfect way to keep your phonograph records clean and to make sure that you always have a spare cartridge. The CK-1 comes with an attractive wooden storage box with sliding top. There is a storage area in the box for 3 extra cartridges which are included with the kit. The kit also includes instructions, a cleaning cloth and distilled water for cleaning your records.