This is a set of Team Associated ASC91619 TiN 3 x 27.5mm Shock Shaft V2 for the Team Associated ASC91577 and ASC91578 Fox Kashima Coated Shock Bodies for the Team Associated T5M, SC5M, RC10B5, B5M, B5M Factory Lite, and B44.3 1/10th Scale Buggies and Trucks.