There is no label on the spool, there are 8 X AWG 30 strands, guessing #4 or #6. Looks like it would be able to hold a significant amount of weight.
【Picture Hanging Wire Size】➤The #2 hang wire is 100 feet (30.48m) in length,1mm (0.039in) diameter.Long enough wire can meet your daily hanging need.
Picture Hanging Wire #2 100-Feet Braided Picture Wire Heavy for Photo Frame Picture,Artwork,Mirror Hanging,Supports up to 30lbs
The 2 Best Woks of 2024
Quantum Optix Spinning Reel and Fishing Rod Combo, 6-Foot 2-Piece
The Ook 15 feet 50 lbs. nylon invisible hanging wire ties and cuts like string but holds like steel. Undetectable to the eye, this clear wire is ideal for hanging pictures and is great for window treatments.
Ook Invisible Hanging Wire - 50 lb
030 E71T-GS Flux Cored Gasless Welding Wire 2 x 2 lb
【Picture Hanging Wire Size】➤The #6 coated wire is 50 feet (15m) in length,2mm (0.079in) diameter.Plastic coated wire Ideal for hanging.
Vinyl Coated Picture Hanging Wire #6 50-Feet Braided Picture Wire Heavy,Supports up to 60lbs for Photo Frame Picture,Artwork,Mirror Hanging(2mm x 15
Avet SX 6/4 MC Raptor 2-Speed Lever Drag Casting Reel Green
1/8 in Inside Dia, 100 ft Lg, Tinned Copper,Tubular Braid,1/8
No. 6 Braided Wire
Everbilt 1/16 in. x 500 ft. Galvanized Steel Uncoated Wire Rope 806320
Vintage Reel of Stranded Stainless Steel Wire Rope, 14 Gauge 1.6mm
Cerpourt Picture Hanging Wire 1.5mm Up to 150lbs,100Feet(30.5M) Stainless Steel Wire Spool with 40pcs Aluminum Crimping Loop Sleeve,Heavy Hanging Kit