OK I have been going thru seperating and inventorying thread and other stuff. Here are the broad strokes of rod winding thread. small rolls are the 100 yds size and large rolls are marked around 350 to 400 yds. small rolls are .50 cents and large rolls are 1 dollar. you pay shipping. size number spool size 00 20 small a 60 large a 85 small d 18 large e 17 large e 36 small ee 7 large unmarked 10 large I have alot of colors.