LIMIT HOW FAR YOUR SHOCKS CAN TRAVEL, LOWER YOUR RIDE HEIGHT, OR USE THEM AS A 3MM SCREW SPACER. 

INCLUDED IS (4) 1MM, 2MM, 3MM, 4MM, AND 5MM SPACERS FOR A TOTAL OF 20 PCS

EACH DIFFFERENT SIZE MM IS COLOR CODED, 5 DIFFERENT COLORS PER PKG