Flow Spool Topper
(Fits NSDRC RS40 Micro winch spool.) ***Caution - NSDRC changed their spool specs for no reason. It is smaller now. Please measure the spool opening. The original one had a inner diameter of 5.35mm, which the metal Flow Topper will fit. The new nsdrc spool inner diameter is now 5mm. Choose the 3D print Flow Spool Toppe...