Piano sound-stop tool: it is made of, will never hurt the strings, Nylon Piano Tool; Piano repair and maintenance material: practical mute tool in clip design for convenient use, piano tuning repair tool; Piano voice- stop clamp: when used, insert between the gaps that need the stop strings to prevent the other strings from the tuning, piano repair parts; Piano repair tools: and brand-new, mutes fixing tool; Piano repair clamp: helpful tool for piano tuning repairing, piano tuning mutes

What's in the box
2 x Electronic Tuners