Manufacturer Description

These are the Internal Springs for the RC4WD Superlift 100mm Shocks.

FEATURES:
Allows modeler to adjust shock dampening for many different
    applications
Steel construction, black in color
Each spring color coded for easy identification

INCLUDES:
Four 100mm Shock Springs (1.9 Spring Rate "Blue")
Four 100mm Shock Springs (1.5 Spring Rate "Red")
Four 100mm Shock Springs (0.7 Spring Rate "White")
Four 100mm Shock Springs (0.3 Spring Rate "Yellow")

SPECS:
Outer Diameter: 0.25" (6.3mm)
Length: 1.65" (42mm)
Inner Diameter: 0.16" (4.1mm)
Weight: 0.07oz (2g)

BOX DIMENSIONS: 2.13" W. X .75" H. X 3.38" L.
BOX WEIGHT: .04 LBS.