VIAHART Heavy Duty Barrel Shaped Spring for Porch Swings, Free-Standing Swings, Hammocks and Hammock Chairs | L | Pack of 2 Sturdy steel construction, wire diameter 6 mm, holds up to 500 lbs! For use with almost all hanging chairs Easy to setup and take down of swings, hammocks and hammock chairs SIZE AND WEIGHT | Product Measures 8.27 x 1.7 x 1.7 in inches | 21 x 4.4 x 4.3 in centimeters | Product Weighs Approximately 1.2 lbs / 0.6 kgs | These dimensions and weight do not include the packaging 30 day no questions asked return policy and FREE returns!