I currently own a tippmann Boss, which has been my primary method of stitching. I need a second machine, and have located three Singer 29K73's.... A long arm in good shape and ready to sew... And two short arms.. One needs adjustment and the third needs a few parts.. All with treadle bases and extra parts, belts etc. A buddy and I, (who is also in the working in the leather biz), are thinking of picking them up. The price, seems quite reasonale at $500.00 for the lot. My question is more ab