Speed up your pit work with these handy U-shaped shims, which promise faster, hassle free suspension setup changes on your M-07, M-08 and TC-01 chassis machines! 0.2mm Shims x10 0.3mm Shims x10 U-shaped shims can be inserted without the need to remove the mount screws, speeding up your adjustments. Use different thicknesses of shim to fine-tune your suspension to perfection.