***Wild Gears Version 5 is released! Find all the details here. Version 5 gear sets are shipping as of June***
**Product pictures will be updated to v.5 over the course of June & July, 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.