Add an extra Clearwater spool to your bag and set yourself up with a second line option when the on-water situation calls for a change. Rig extra spools with different weight lines for a quick, economical way to use the same reel frame on different-weight rods. If you are fishing only one rod, use interchangeable spools to switch quickly from a sink tip streamer rig to a floating line when the dry fly bite turns on.Die-cast frame is protected by a durable powder-coat finish. Imported.4 diameter.SpecsExtra Clearwater spools are an economical and efficient way to access more line options on the waterGreat way to save space on the water or while travelingPerfect fit to corresponding Clearwater reel frameClearwater II for line weights 3-5, 5.6 oz., 3.4″ diameterClearwater III for line weights 5-7, 6.2 oz., 3.7″ diameterClearwater IV for line weights 7-9, 6.7 oz., 4″ diameter