They are a bit tricky to install properly. But they fit perfectly in a 3 inch or 4 inch diameter hole made with a hole punch or hole saw.
🔧 Boeray Stainless Steel Straight Brackets Mending: Durable and Versatile Support Solution
8 Review
Stainless Steel 🔩 Fastener Hardware by BIGTEDDY
9 Review
🔩 Enhanced Durability and Stability: Outside Joining Aluminum Profile Bracket
8 Review
Stainless Fastener Bracket for Furniture Bedframes
8 Review