1、4 WAY WRENCH: It is a 4 way wrench. This design can meet the needs of tightening nuts in different directions, providing users with a more convenient operating experience. 2、COMPATIBILITY: This wrench is compatible with for Arrma 1/5 RC car wheel, which can be perfectly adapted to the nut of this model, ensuring the tightness and stability of the nut. 3、ALUMINUM ALLOY MATERIAL: The RC car wheel hex wrench is made of premium aluminum alloy, ensuring high hardness and strength, preventing deformation and wear. 4、HIGH ACCURACY DESIGN: Adopting high accuracy design, which can effectively prevent the nut from sliding, so that it can be fixed accurately and firmly, ensuring reliability and safety. 5、MULTIPLE SIZES: Suitable for a wide range of sizes, including 24mm, 25mm, 4mm and 5.5mm. It is only pocket sized, lightweight and portable, so users can use it anytime and anywhere. Item Type: RC Car Wheel Hex Wrench Material: Aluminum Alloy Hex Size: 4mm / 0.16in, 5.5mm / 0.22in, 24mm / 0.94in, 25mm / 0.98in Applicable Model: For Arrma 1/5 RC Car 3 x Accessory 1 x RC Car Wheel Hex Wrench