Home > Catalog > Warping Accessories > Spool, 4in Spool, 4in These nylon spools bounce but dont break and fit most spool racks, AVL and LeClerc for sure.Dimensions: 4in long by 2-11/16in diameter, 5/16in bore. $4.00 Part Number SR-SPOOL-001 Quantity * Spool, 4in