Fine tuner model Fix violin 4/4-… Petz fine tuner violin 4/4 - 3/4, nickel plated Item No. 30110VN Petz fine tuner violin 4/4 - 3/4… Petz fine tuner violin 4/4 - 3/4, nickel plated × Petz fine tuner violin 4/4 - 3/4, nickel plated