- FT 8-32 Blue Aluminum Locknut. Thicker than #3438.Àû¿ë¸ðµ¨:- RC10_Classic RC10_World_Car B3 B4 B4.1 B4.2 B44.1 B44.2 T3 T4 T4.1 GT GT2 SC10 SC10.2 SC10B SC10GT TC3 TC4 TC5 TC6 NTC3 12L3O 10L3O 10L4O