Momentum LT Spools #4=7-9wt, #5=8-10wt, #6=10-12wt, #7=11-13wt * Fully machined, 1 piece spool - manufactured on automated CNC machining centers * FLY ROD COVERAGE 7wt. - 15wt. & Spey 6wt. - 12wt. * Designed for use in all freshwater, warmwater and saltwater fishing environments * LIFETIME WARRANTY