4-40 locknuts 3\16 Hex

Pack of ten black aluminum 3mm locknuts. 

Pack of 4 4mm black aluminum locknuts.

1 pair of 6mm thick 7075 black anodized aluminum wheel hexes.     Compatibility: Five Seven Designs Prodigy front axles, Weapon rear axles, and 3/16" stub axles.   Formerly 57-1126

4MM Locknut for the Rubber tire Cars using the Hex system pack of 4. Formerly GFR-1265 and 57-1253.

2 8mm hex adapters with 4 pins and two screws.