This is an on-road tuned hard spring set from Tamiya.

FEATURES:

Features eight color coded springs.
Soft, medium, stiff,and extra stiff spring tensions.
These springs are ideal for high speed racing.

INCLUDES:

Two soft springs(red)
Two medium springs(yellow)
Two stiff springs(blue)
Two extra stiff springs(white)

SPECS: Length- 26.3mm(1.03")
Diameter- 13.4mm(0.53")