Help identifying coil spring , pivot bar and shoe

Question

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.

Paul · Accepted Answer

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.