Screw Tubes for C.S. Osborne 153 Size:10 (5/16") making this leather sewing machine

making this leather sewing machine perfect for beginners and those who do lots of detail work

a rawhide or polyhead mallet or our Master Tool Little Wonder®

vacuum-insulated

Does not have an adhesive backing – must be sewn onto material

quality out

Screw Tubes for C.S. Osborne 153 Size:10 (5/16") making this leather sewing machineCutting tubes are hand turned from special carbon tool steel, individually tempered and threaded for your easy replacement Specifically made for CS Osborne Single Tube Spring Punch (CSO153) Priced per each Replacement tubes measure 1 1 8" overall Tube sizes 1 7 fit the same frame (1 7) and are interchangeable. Tube size 8 only fits number 8 frame. Tube sizes 9 10 fit the same frame (9 or 10) and are interchangeable.