Create Perfect Keyhole Slots for Sam Browne Studs The Sam Browne Leather Button Hole Punch is the essential tool for creating clean, accurate keyhole-shaped slots used with Sam Browne studs and button stud fasteners. Designed specifically for leathercraft, this punch produces the distinctive buttonhole opening that allows leather straps to slide securely over the head of a Sam Browne stud while remaining firmly fastened in use. Ideal for professional leatherworkers, saddlers, bag makers and hobbyists, this tool delivers neat, repeatable results on vegetable-tanned and chrome-tanned leather. Creates precise keyhole-shaped button holes for Sam Browne studs Produces clean, professional cuts with minimal finishing required Made from hardened steel for durability and long service life Suitable for belts, straps, satchels, bags, cases, holsters and traditional leather goods Easy to sharpen and maintain Ideal for workshop or production use Recommended for use with our solid brass leather studs.