Traxxas replacement nut and washer set for the Spirit on-road truck from Traxxas. These are assorted metal hardware including, lock nuts with nylon inserts, lock nuts with nylon inserts and washers in a variety of sizes. INCLUDES: (12) 3mm lock nuts. (7) 4mm lock nuts. (13) 4mm flat washers. (9) 4mm split washers. (8) 6.3mm flat washers.