Quick overview:

1. Shaft Diameter: 7 mm.
2. Wheel Diameter: 100 mm.
3. Wheel Width: 40 mm.
4. Loading Capacity : 2kg.
5. Material: ABS Plastic & Rubber
6. Color: Gray(body) & Black(Grip)

Product Description:

Robot Wheel 10cm Dia. x 4cm Width-1Pcs. is the wheels for your robot is easy to mount, durable and cheap. These wheels have an 8mm hole for a shaft with the screw for fitting making it very easy to mount on motors.