Basic Recorder Cleaning Kit Cleaning kit for analog tape recorders includes three of our most popular tape maintenance products: - 1 ea. 2 oz. bottle of S-721H Professional Tape Head Cleaner - 1 ea. bag of CS-1 Cotton Swabs (100 per bag) - D-512 Wand Demagnetizer (110vAC) - includes storage bag For use on cassette, reel to reel, multi track and other tape recorders.