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The Prime-Line MP5577-50 are corner-mounted window screen tension springs designed to hold window screens into sliding aluminum screen channels. Constructed from heat-treated steel, each 1/4-inch-wide spring is supplied in a 50-pack and fits 5/16-inch or wider screen frame material. Springs install with a push-in, no-tools method. They apply outward corner tension to retain screens within the channel for repair and replacement applications.
Corner-mounted heat-treated steel springs, 1/4 in. wide, fits 5/16 in. or wider frames; 50 springs per pack; push-in installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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