Prime-Line Products SP 9627 Spring, Extension, 7/8-Inch  by 6-Inch  - .091 Diameter Made from Spring Steel Wire Diameter: 0.091" Measures 7/8" X 6" Maximum Load Capacity: 32.5 lbs. / 14.7 Kilos General Uses: Cot/Bedding, Marine, Outdoor Furniture, Screen Doors, Trampoline, Lawnmower, Automotive, Hobby Horse, Hobbies, Toys and Gates