All in one kit includes a linecare box, switchbox and crank handle. Compact octagonal design that fits neatly in one hand yet will accommodate almost all fly lines Sturdy but lightweight construction for durability, and you can still see what's in them when they're closed Smooth, non abrasive line aperture in lid Line guide in centre of spool for easy wind up and easy release on the way out (no clips, no slots) Smooth revolution inside the box, designed to minimise overwinding. One touch removable box lid. The box can be opened one handed. Spool can be clipped to the outside of the Switchbox for use externally. The second half of the shell acts as a stand for winding and unwinding. Clip lock system enables boxes to be stacked together for travel or storage. Sturdy Omnispool crank handle, grooved to fit through the spool and around the line and fits in either side.