ITEM NAME:3PCS Metal Center Drive Shaft Transmission Shaft for MN 1/12 MN86K RC Rock Description: Made of quality metal, heavy duty Upgrade parts for 1/12 RC rock crawler MN86K MN86KS U-joints Inner Diameter: 5mm; Outer Diameter:12mm(Long), 11mm(Short) CNC machined for precision. Exquisite workmanship & Durable Easy upgrade from the original part Package Includes: 3 Pieces Metal Drive Shafts Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: DMO0019887261036238.Upgrade parts for 1/12 RC rock crawler MN86K MN86KS. Easy upgrade from the original part. CNC machined for precision.