We produce parts of pianos, harpsichord and zithers, tuning-pins and harpsichord-pins (trademark "DIAMANT"), hitch-pins, bridge-pins, round and oval keyboard-pins, all kinds of agraffes, capstan screws, wrest-plank screws, cup-headed bolts, action bracked bolt nuts, pillar-bolts. All products made from suitable materials with appropriate surface treatment.