Cory Piano Detailing Kit includes everything you need to keep your satin finish piano clean and beautiful. The kit includes an 8 oz. Spray Bottle of satin finish piano polish, a 4 oz. spray bottle of Key-Brite Key Cleaner, a Pin Block Cleaning Brush, Sounding Board Steel (which is used for dusting underneath the strings insert a close through the hole in the flexible steel), Mega Duster Dusting Cloth, Cleaner Cloth and Polisher Cloth. Complete instructions with piano diagram included. An excellent gift for your piano teacher and enthusiast.