Bainbridge says the new #1615 Staple Brace is "super strong" and ideal for use in tight applications. now available. The inside corners of the 2” long x 5/8” wide brace have a large radius which increases the strength of the high-density polyethylene plastic. There is no center brace so the end of the staple gun is easy to insert on the assembly line – saving time and labor, the company says. It can be used in cabinet or furniture production.