Item Type: RC Wheel Hex Hub_x000D_ Material: Aluminum Alloy_x000D_ Combiner Diameter: Approx.12mm / 0.5in_x000D_ Combiner Height: Approx.20mm / 0.8in_x000D_ Application: for 1/10 RC Climbing Car Universal 1Material: RC car parts are made of aluminum alloy material, lightweight, strong and durable for long time use. 2Exquisite Workmanship: This RC hexagonal coupler is CNC machined and anodized to increase strength and accuracy. 3Replacement: This RC car hex coupler can be used to replace old and damaged original parts, easy to replace. 4Easy To Use: This RC car accessory is easy to use and can be easily installed and removed without professional skills. 5Applicability: Lightweight and durable, universal, repair and upgrade accessory for 1/10 RC climbing cars. 4 x Combiner 4 x Offset Extensions 4 x Screw