Mitchell Spools - We have hundreds of Mitchell spools old new stock and used. Including Mitchell 204S, 206S, 300, 300 small spool pre-wound, 306 308, 308S, 386, 403, 406, 3310, 4410 Large, 4420, 486, 4420, 710, 900, 906, large skirted spool. Many are in original containers or packaging. Images available upon request. Spools are priced from $10 to $25 and vary by model and size of spool.