Plastic cover for tuning fork … Wittner tuning fork A´ 440 HZ without plastic cover, 120mm long, Ø 4,5mm Item No. 921 Manufacturer Wittner Plastic cover for tuning fork … Wittner tuning fork A´ 440 HZ without plastic cover, 120mm long, Ø 4,5mm × Wittner tuning fork A´ 440 HZ without plastic cover, 120mm long, Ø 4,5mm