... Making Plastic Worms /plastic worm wheelWe can produce gears, worms,worm gears ,gear boxes, worm, worm wheel.Briefly description:Length:14-34mmcolour ... needs, from various plastic gears,gearboxes ,worms ,worm gears,worm wheels,pinions to complete assembly services,from prototypes ... internal and external) Helical Gears (single and double) Worm Gears Screw Gears wormssize:Any size available,according to ...