These new hard plastic wheels are specially designed for our GM2, GM3, GM8, GM9 and GM17 gear motor output shafts. Although usable as wheels, we often use these as mounts for legs and other mechanisms as they have convenient mounting holes that match leg mounting pads. They are 30mm in diameter, 7mm wide, and the double-flat slot which fit snuggly onto the gear motor's shaft. Wheels are sold in pairs, and come with a screw and washer to secure it. Motor not included.

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30mm in diameter, 7mm wide, and the .250" shaft with double-flat slot