Product name: tuning fork
Frequency: 128Hz 256Hz 512Hz 1024Hz 2048Hz 4096Hz
Colour:Silver
Material:Aluminum alloy
Size:Tuning fork size:
128Hz: 21.5x4x2.6cm / 8.5 inch x1.5 inch x1 inch
256Hz: 18x4x2cm / 7 inch x1.5 inch x0.8 inch
512Hz: 16.6x2.5x1cm / 6.5 inch x0.98 inch x0.39 inch
1024Hz: 14x2.5x1cm / 5.5 inch x0.98 inch x0.39 inch
2048Hz: 11.8x2.5x1cm / 4.6 inch x0.98 inch x0.39 inch
4096Hz: 10x2.5x1cm / 3.9 inch x0.98 inch x0.39 inch
Hammer length: 18.5cm / 7.2 inches

Package Contents:
6x Tuning Fork
1x Mallet
Only 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.