Optional Hex Sizes: Regular and wider options- 5.5 mm 7 mm 10 mm, stability can be improved and can be used with offset wheels
[40Cr-60% Stronger than Stock]: Upgraded 40CR has high hardenability which strength, hardness, wear resistance, impact toughness and other mechanical properties are significantly higher than 45 steel
Fitment: for arrma GROM upgrade parts. 1/18 granite grom #ARA2102 & 1/14 typhon grom #ARA2106.Hopups for #ARA311198
Package: The all-inclusive kit contains 4 pcs front and rear cvd driveshafts; 4 pcs H12*10 mm wheel hex; 4 pcs differential cup; 4 pcs M4 wheel nut; 4 pcs 2*10 pin
Tips: Apply screw glue to all metal-to-metal connections, especially screw holes, for added stability. Heat the glue area first if disassembly is needed