These are Replacement ATD Differential T-Nuts for Team Associated's Nitro TC3. White plastic construction. Each with a threaded metal insert. Designed for use on the NTC3 kits. (2) ATD Diff T-nuts Overall Length: 12mm Diameter: 4mm These diff nuts are located in the long outdrives (2328) on the nitro TC3 from Team Associated. 07/22/02-TRN ir/kh kr2/19/03 &