22 gauge upholstery staples refer to staples commonly used for upholstery applications. They have a specific thickness or gauge of 22, indicating the diameter of the staple wire.
Stainless steel is a common material used for upholstery staples due to its corrosion resistance and durability. Stainless steel staples are less likely to rust or corrode, making them suitable for both indoor and outdoor upholstery projects. So 22 gauge stainless steel staples are worth to choose.