This replacement brass tennis post winder mechanism lets you easily adjust net tension and height. It features a worm gear winding system for smooth and reliable operation. The unit comes with a handle for quick adjustments. Please specify whether you are ordering for a round or square post. The mechanism measures 2″ x 5 1/4″.

Options include the Classic Internal Winder Mechanism with handle (TN-GEARCL) and the Classic Winder Handle only (TN-HANDLECL).