This is a pair of optional Team Durango 45mm Big Bore Shock Springs. FEATURES: Used on the DEX210 buggy, DEST210R stadium truck, and DESC210R DESC410R short course truck Steel construction, white in color, purple compression rating INCLUDES: Two Team Durango 45mm 115gf/mm Big Bore Shock Springs SPECS: Length: 1.8" (45mm) Compression Rate: 115gf/mm jxs 11/14/12 ir/jxs