Beuiouer This frequencies is: F 963HZ Material: Aluminum alloy colour: gold Package Contents: 1 x rubber mallet 1 x random triangle blocks(randomly colored. Cannot be chosen the specific color.) 1 x F963HZ tuning forks 1 x storage bag 1 x cleaning cloth 1 x base 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.