4pcs RC Hex Coupler Professional Aluminum Alloy RC Wheel Hex Adapter for 1Celsius10 RC Cars

EXCELLENT MATERIAL: RC hex coupler is made of premium aluminum alloy. and resistant to wear and tear. High strength and sophisticated appearance. HEX DESIGN: 12mmCelsius0.47in to 17mmCelsius0.67in wheel hex coupler with hex design to prevent axles from falling off. PRACTICAL ACCESSORIES: RC wheel hex hub allows you to mount 1Celsius8 scale wheels into 1Celsius10 scale wheels. Item Type: RC Hex Coupler Material: Aluminum Alloy Size: Diameter: Approx. 17 mmCelsius0.67in Inside Diameter: Approx. 12 mmCelsius0.47in Thickness: Approx. 9 mmCelsius0.35in Aperture: Approx. 5 mmCelsius0.20in Suitable for  for 1Celsius10 RC Cars