This flying disc style ball caster wheel is small in size and light in weight. Being supported with standoffs, it can be served perfectly well on robotic chassis. Good to have them in stock for retail.......
This ball caster kit has a white ABS housing, a 3/8 inch diameter metal ball, two spacers (1/16 and 1/8 thick), and two M2 screw sets. It is used on LEGO miniQ robotic chassis.......
This ball caster kit includes a 3/4" metal ball, a black ABS housing and two sets of screws & nuts. It is normally used on robotic chassis and makes it look neat.......