These leather staples for loops are made of solid brass or nickel-plated solid brass. Because the base metal is solid brass, the leather staples will not rust if your product is used outside and exposed to a wet environment. They are great for attaching the ends of belt keepers together or leather loops for dog collars. Some leather workers may even use this leather staple in a series as a decoration on the leather like you would studs.
Simply punch a slit at each end of the leather loop, insert the legs (prongs) of the leather, bend over with needle nose pliers and then squeeze them tight against the leather. A sewing awl makes a nice slit for which to insert the legs (prongs).
The leather staples are 3/8-inch long X 3/16-inch wide. The legs are 5/16-inch tall. The leather loop is not included.