Gate closing springsWhen mounted, these gate springs will turn any gate into a self-closing gate. The rust resistant black enamel nish extends the life of the spring. Adjustable tension allows regulation of the gate’s closing speed.FOR WOOD AND METAL GATES:RG 18667 ts gates that weigh up to 20 lbs. RG 18504 ts gates that weigh up to 30 lbs. RG 18668 ts gates that weigh up to 50 lbs.HIGH PERFORMANCE SPRING:Heat treated torsion spring, tempered for lasting performance with an adjustable tension feature.TWO DIFFERENT STYLES:In-Line and o-set mounting bracket styles.DURABLE FINISH:Baked enamel black painted nish.INCLUDES INSTALLATION FASTENERS(800) 255-3505ZZ 464primeline.netprimeline.netRG 18667 (8 in. x 3.4 mm dia.)RG 18504 (9 in. x 3.8 mm dia.)RG 18668 (10 in. x 3.8 mm dia.)