This stabilizers are only Plate stabilizers which is directly mounted on plate instead of PCB. Fixed on the steel plate or a balance bar.Designed for MX-compatible Plate.The outer casing and parts, specifically made to prevent stripping of the threads.104 and 108 key keyboards use 1x625u and 7x2U.The 87 key keyboard uses 1x625u and 4x2U.Type: Plate Mount StabilizersTypes:1+7Colour:White+pink+goldMaterial:Plastic + MetalPackage Contents:1 x 625U Satellite Axis7 x 2U Satellite AxisOnly 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.