Made of brass, 40g per wheel These 1.0 plus wheels are about 1.1inch, bigger than 1.0 wheels Offer additional weight at the lowest point of your vehicle to help maximize stability Larger wheels give your vehicle a more aggressive and greater stage presence. 1.0 plus wheel will set you ahead of the curve with performance and looks The black, coating adds bright touch and better looking, to prevent corrosion also Each Weight:40g/pcs Colour: Material:brass Size: Offset:-3.75mm Outer Diameter:27.9mm Width:13.5mm Wheel Hub:7mm Package Contents: 4 * RC Car 1.0 Plus Wheel Rim Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.