A set of 9 gears and racks, and 2 worm gears that you can use to create projects with drive in the form of electric motors and more. Technical data All racks have a module of 0.5 A-tight fit B-loosely fitted https://elecena.pl/product/22622757/11-pcs-gear-and-rack-set-for-electric-motors 2023-02-23 https://elecena.pl/product/22622757/11-pcs-gear-and-rack-set-for-electric-motors 2025-10-28