This is the Tekno RC 1.5 x 8.5T, 70mm Green Rate Front Shock Spring Set. Optional front shock springs for the Tekno RC EB48 buggy, and the the SCT410 short course truck Steel construction, black in color Green firmness rating Two 1.5 x 8.5T, 70mm Green Rate Front Shock Springs Wire Diameter: 0.06" (1.5mm) Number of Coils: 8.5 Length: 2.7" (70mm) Compression Rate: 4.15 jxs 08/06/13 ir/jxs &