This is the Titanium Shock Shaft with Teflon Piston 2-Hole for the GTR Shocks for the REVO from Traxxas.  FEATURES:  Polished titanium construction  INCLUDES:  FOUR (4) Shock Shafts with Teflon Piston  REQUIRES:  Installing into shocks  SPECS:  Length: 1.8' (47mm)  Diameter: 0.14' (3.5mm)  Shaft 0.098' (2.5mm) thread