I’m glad the notes were helpful.
For shelf pins, I used Prime-Line U-10168 shelf pins. I chose them because they are one of the few readily available L-shaped shelf pins that provides information about their weight capacity. These pins are rated for 20 pounds each, so 80 lbs for a standard shelf or 160 lbs for a double deep shelf—more than enough to support wine.
These shelf pins require 1/4-inch holes, and are available on Amazon, and at both Home Depot (SKU #330852) and Lowe’s (Item #5467432) in 8-packs.
Hope that helps!