SWISCO - The Replacement Hardware Authority

Help identifying coil spring , pivot bar and shoe

A quick learner from usa says:
Please help identify this coil spring, pivot bar and shoe. The coil is 1/2" wide. The pivot bar is 3" long. The sash weighs 14lbs.
User submitted image of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hello! Please see our 15-177 pivot shoe, 26-226 pivot bar, and Series 152 coil spring. I believe this hardware matches up to what you show, but see what you think.
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