Coupling for Wheel 30mm / 4mm (OT3648)

Coupling for (motor) shaft to wheel. Suitable for an axle up to 4mm. The wheel coupling has a width of 11.6mm. Including Allen key and lock nut. For example 4WD/2WD wheel - Metallic blue. Don't forget your motor driver under electric motors. Dimensions Length: 3cm Width: 1.1cm Height: 1.1cm