This is a replacement Yokomo 10mm Stainless Steel Spacer Shim Kit, and is intended for use with the Yokomo BD7 1/10 scale touring car. This kit includes three different sized shims. 

Includes:

• (10) 10.0×0.05mm Spacer
• (10) 10.0×0.10mm Spacer
• (10) 10.0×0.20mm Spacer