LineSpoolers - Fishing Line Spooling Station (Line Spooler / Line Winder / Spool Holder) Length - 12" Springs - 2 (1.375" fully extended / 0-20lbs -- each) Centering Spheres - 1.00" (for 3/8" - 7/8" thru holes only) 100% Metal Components Mounting Screws (included)