***Wild Gears Version 5 is available to order! Find all the details here. Version 5 gear sets will start shipping in mid May, if you want a version 4 gear set shipped immediately, please make that clear in the "Special instructions for seller notes section of the shopping cart***
**Product pictures will be updated to v.5 over the course of May, apologies for the delay**
One 112 tooth gear and frame. An experiment in double-double dense pen holes of each size. Eight columns of each size labeled A though H give possible step sizes even smaller than those of double dense pen holes.