I have wood-framed double hung windows (brand unknown) that are about 40 yr old. The snap-in glazing is getting brittle on some of them and I was looking at your Capitol Snap-in Glazing
55-030-6. I then noticed your identifying service and ..here I am. Thinking about purchasing just a couple of pieces to verify if they work. Any recommendations. The pics are from a broken piece with paint and age on it. Thanks