3pcs/set PO-16 Grand Piano Tuning Mute Pad String Gap Fret Mat Kit Musical Instrument Tuner Tool Orange + white

Made of premium felt material, the texture is soft and hard, it does not hurt the strings, longlasting service time.

The sound mute effect is excellent, a set of three sizes, perfect to meet the tuner's different tuning requirements.

Insert it to the gap between the strings where need to be muted, and prevent sound production from other strings when tuning.