Upgrade your reclaimed boxes and bags by adding sturdy wire handles. Use 2-3 mm...

https://meet-wiki.win/index.php/What_Wire_Gauge_Should_I_Use_for_Box_Handles_That_Carry_10_kg%3F

Upgrade your reclaimed boxes and bags by adding sturdy wire handles. Use 2-3 mm galvanized wire for strong, rust-resistant grips that last. Drill 3-3.5 mm holes for a snug fit that won't tear your materials