1321 Worm Gears and Gear Racks

1321 Worm Gears and Gear Racks is a Technic Accessories set released in 1987. It includes 12 OldGray 1 x 4 Technic gear racks (Part 3743) and 10 OldGray Technic worm srews (Part 4716).
== External links ==
* Set Inventory at Peeron.com
Category:1000 sets