These inserts are made of T6-6061 from 1/8" aircraft aluminum shaved to 3mm to fit flat in to the chassis
CNC made, not stamped from a sheet
Each size has a different color to identify them quickly in your toolbox
Large easy to read numbers
Deeper engraving numbers
17.5 = GREEN
18 = RED
18.5 = BLACK
19 = PURPLE
19.5 = ORANGE
20 = BLUE
ATTN: 1 Set include 4 INSERTS and 4 5x12 mm flat head screw.
FIT: LOSI 5ive-T truck/ Mini WRC and Buggy TLR