DOIT 2pcs Metal Driving Wheel for Robot Tank Car Chassis, Action Wheel by Caterpillar Remote Control Toys Drive DIY toys kids Price default packaging method: bag

Price default packaging method: bag

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1 x 400mAh 7

DOIT 2pcs Metal Driving Wheel for Robot Tank Car Chassis, Action Wheel by Caterpillar Remote Control Toys Drive DIY toys kids Price default packaging method: bagThe metal bearing wheel is made by aluminum alloy. It has two colors: silver and golden yellow. By using it, can conveniently install your loved tank chassis. Silver 4mm: means the color for the wheel is silver, and the inner size for the coupling of the wheel is 4mm to connect the motor. Silver 5mm: means the color for the wheel is silver, and the inner size for the coupling of the wheel is 5mm to connect the motor. Silver 6mm: means the color for