The amount of weight hairpin legs can support depend on the height and the type (2-Rod, 3-Rod, or Heavy Duty). Generally speaking, shorter legs can hold more weight than taller legs and 3-Rod are stronger than 2-Rod hairpins.
Below are some general guidelines for common hairpin leg lengths:16” 2-Rod Legs (Max Weight 300 lbs)16” 3-Rod Legs (Max Weight 550 lbs+)28” 2-Rod Legs (Max Weight 35 lbs)28” 3-Rod Legs (Max Weight 130 lbs)