10mm chassis adjustment brick, used to measure the height of the lower dead point of the swing arm and the height of the output shaft, to improve the accuracy and consistency when adjusting the suspension system, and is one of the indispensable tools for adjusting the vehicle. 10mm heightened adjustment brick, used with TT-129-A, each layer increases 10mm, conveniently realizing the needs of frame data adjustment changes [Material]RC Car Adjuster Ruler is Made of Material, with beautiful appearance and clear fonts. [Function]RC Chassis Droop Gauge Provides the measurements for the height of the car chassis and the droop. [Good applicability]Metal Height Gauge Measuring Tool for Standard RC touring car chassis. Colour:Black Material:aluminium Package Contents: 1 * RC Car Height Ruler kit 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.