This Metal Main Diff Gear is precision manufactured from high-quality steel material. It is compatible with the Arrma 1/10 Big Rock Monster Truck (ARA4312V3), Arrma 1/10 Granite Monster Trucks (ARA4302V3, ARA4202V3, ARA4102V4, ARA4102SV4) Arrma 1/10 4X4 4S V2 Kraton Speed Monster Truck (ARA4408V2), Arrma 1/10 Outcast 4X4 4S V2 Stunt Truck (ARA4410V2), Arrma 1/10 Senton Short Course Trucks (ARA4303V3, ARA4203V3, ARA4103V4, ARA4103SV4), Arrma 1/10 Vorteks Stadium Trucks (ARA4305V3, ARA4105V4, ARA4105SV4), Arrma 1/8 Infraction Resto-Mod Truck (ARA4215V3, ARA4315V3), Arrma 1/8 Typhon RC Buggies (ARA4306V3, ARA4206V3) and the Arrma 1/8 Vendetta 3S BLX Speed Bash Racer (ARA4319V3).