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Prime-Line SP 9639 Extension Spring, Spring Steel Construction, Nickel-Plated Finish, 0.054 GA x 9/16 In. x 16-1/2 In., Closed Single Loop (Single Pack)

4.9 (1) Write Review
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$6.99

$ 2 .99 $2.99

In Stock
  • For use in a variety of applications; appliances, automotive, marine, toys, tools, mechanical devices, contraptions and more
  • These extension springs are designed with single loop closed ends for easy and reliable fastening to fixed and moving parts
  • Spring dimensions: 9/16 inch outside diameter, 16-1/2 inch length, 0.054 inch wire diameter, 9.5 lbs. maximum safe load, 25.2 inch maximum deflection
  • All springs come in a beautiful, corrosion resistant, nickel plated finish allowing them to be used both indoors and out
  • Constructed of durable spring steel (tempered steel wire) to provide optimum retraction when stretched
  • Designed for use with hinged screen doors, but can be used on a variety of other household and professional applications
  • Easy to install with only a few simple tools
  • Please refer to the line art drawing for dimensions and compare with your needs before ordering


Product Description

These Handyman Single Loop Closed Extension Springs by Prime-Line Products are constructed of durable spring steel, and they come finished in a beautiful, corrosive-resistant, nickel-plated finish. Springs like these are used for a variety of household and professional applications, and they feature a generous deflection length of 25.20 inch. These springs are easy to install and are used by many. The outside diameters, lengths and gauge thicknesses vary between each of these springs, while their dependability does not. Use these springs for repairs around the house, in the office, vehicle, garage and in many other applications.

From the Manufacturer

This extension spring is constructed from .054 gauge heat tempered spring steel wire. It features an outside diameter of 9/16 in. and a length of 16-1/2 in. Used for a variety of household applications.


T Caldwell
Reviewed in the United States on April 2, 2023
Didn’t work like the old springs from my Mam-maw’s old screen door.