The smallest one I have found so far is only 2 inches long with a 48:1 gearing so it wouldn't take up too much space.
Steve... did you ever geta price for this item... it would make things so much easier !!! or even where to buy them... ??? Thanks Much...
Sorry I have not been on in a while, my older daughter (21) moved back home for the first time sice she was 18 and took over my hobby room as her bedroom... since then, I have not had time to clear out the basement and/or shed to set up a new shop area... soon I hope tho !!!...
Leroy...