Wheels robot, easy to mount, durable and cheap. These wheels have a 6mm hole for shaft with screw for fitting making it very easy to mount on motors.Competition Wheels Highly Durable and Resistive. and also have Heavy Load Bearing Capacity. package include : 1x 5 cm x 2 cm Robot Wheel Best SKU: PGI-0023 Categories: Prayog Blaster, Tyres & Wheels