/-/KOSBBP6. It's for tuba pistons. It also includes an instruction manual that makes maintenance easy to understand even for beginners. ・Piston Tuba Care Essentials Set with Drawstring Bag. ・Set contents: Valve oil (regular) 40ml slide grease 2g polishing cloth DXS 1 sheet polishing gauze S 1 sheet cleaning swab for BB mouthpiece brush L concentrated brass soap 1 piece mouthpiece cleaner 20ml water sheet 1 sheet drawstring bag instruction manual.
