GPM made General Hop-Up Parts Damper 126mm Long 1.7mm Coil Spings Inner Dia.17mm, Outer Dia.20.8mm With 14mm Inner & 17mm Outer Delrin Colla- 1pr set (DSP12617) Spring Set
General Hop-Up Parts Damper 126mm Long 1.7mm Coil Spings (Inner Dia.17mm, Outer Dia.20.8mm) With 14mm Inner & 17mm Outer Delrin Collars - 1pr set - GPM DSP12617