This is the Tekno RC 1.5 x 9.0T, 70mm Yellow Rate Front Shock Spring Set. Optional front shock springs for the Tekno RC EB48 buggy, and the SCT410 short course truck Steel construction, black in color Pink firmness rating Two 1.5 x 9.0T, 70mm Pink Rate Front Shock Springs Wire Diameter: 0.06" (1.5mm) Number of Coils: 9 Length: 2.7" (70mm) Compression Rate: 3.83 jxs 02/11/13 ir/jxs &