4pcs Accurate Frequency 256hz 320hz 384hz 512hz Music Tuning Fork Set Music Flat Fork Measure Gauge

1. High quality physical experimental instrument, durable and practical.2. The edges and corners are neat and the surface is chrome plated3. The tuning fork set is used to demonstrate the resonance of sound in school.4. Can be used as a Universal tuning fork of a of experiments, such as the sound of the occurrence, interference, sound conduction of substances.Colour:wood color + silverMaterial:wood+metaltype:B: 256hz 320HZ 384HZ 512hzPackage Contents:4 x Tuning Fork1 x Hammer1 x baseOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.