40 Pcs Heavy Duty D Ring Picture Frame Hanging Hangers Double Hole with 80 Pcs Screws by Jetovo

When it says 40lbs for the Double Hole hanger, is this 40lbs for each hanger (therefore 80 if you use two of them with a wire)? thanks

When it says 40lbs for the Double Hole hanger, is this 40lbs for each hanger (therefore 80 if you use two of them with a wire)? thanks

what is the w and l in inches ? is the l from the end of the hook to the bottom?

there's a simple way to determine if they are stainless steel: does a magnet stick to them? if yes, it's not stainless steel; if no then it is