7003-194 Lot of three brass MASTER DOWELS dowels IOB. Two boxes of No. 4 dowels that bore 7/16" holes, 50 in each box. And one box of No. 1 dowels that bore 3/16". All boxes and instructions are marked with May 22, 1923 patent which I believe correlates to patent 1,455,793 by Ernest Kindt of Lakewood, OH. One box has split seams on lid, other two ok with mild wear. Dowels are mint. Good+ 30-60 (CWL)