Factory-tuned spring motors from COXREELS are designed for safe and efficient reel retraction. More than 150 types of spring motors are available, including six varieties of spring thickness and three spring widths. There is no joint or attached hook connection, so the joints will never fail during retraction. The spring cans are available as pre-assembled replacement parts for easy removal and installation. 800/269-7335; www.coxreels.com.