These high-quality Steel Turnbuckles are manufactured from a strong and durable material for optimum performance and long-lasting durability. They are compatible with the Arrma 1/10 4X4 4S V2 Kraton Speed Monster Truck (ARA4408V2) and Arrma 1/10 Outcast 4X4 4S V2 Stunt Truck (ARA4410V2).