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 CK4?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. The CK4 cleaning kit comes with 3 NP4 needles for use with?the CR245 Producer CD Recorder, CR246 Director CD Recorder and CR249 Keepsake USB Turntable models.