A new blend of tightly braided spectra and nylon yarn. Tough and durable, Resin coated, grips well. .018 diameter 100 yd jig spool End or Center Serving .021 diameter 75 yd jig spool Center Serving .025 diameter 50 yd jig spool Center Serving .032 diameter 40 yd jig spool Crossbow Center Serving