The 8/9 spool is easily distinguishable from its larger sibling, the 10/11 spool, with a larger arbor profile and clear 8/9 marking on the spool face. As with all GT series spools, integrated backing markers are machined directly into each spool for quick and accurate loading. Specifications: 4.5" Diameter Capacity (8/9 spool): WF8 + 225 yards #30 Dacron WF9 + 200 yards #30 Dacron