TEKNO R/C TKR6081 Shock Spring Set 1.6x10.0T 90mm Green 4.20lb/in This is the Tekno RC Green 1.6 x 10T 90mm Rear Shock Spring Set for the ET48 and NT48.Features:Green coloredMade of polished steelFor the Tekno RC ET48 and NT48 4WD Competition TruggyIncludes:Two 1.6 x 10T 90mm Rear Shock Springs