Internal String Spool for Rope Winder

String/Cord/Rope spool for use with Rope Winder by Spetz3DMakerWorld: Download Free 3D Models so the winder may be used to store sring/rope/cord and keep the winder open for other fun and exciting winding activities. Spool is made with a detachable tension-fit cap to hold string ends. Fits on rope winder snugly when winder is tightened down.