Swing, step, repeatour SSR Disc Spey Spare Spool is built with a machined barstock aluminum sealed drag system in three spey-specific sizes. Size III is ideal for 3-5 wt. trout spey rods (8 oz., 3″ dia.), IV is for 6-8 wt. switch rods (9 oz., 4″ dia.), and size V for 9-10 wt. full spey rods (10 oz., 4″ dia.). The full cage frame is black with gray accents.