Cal-Royal Cal-Royal FSHBB45 Full Surface Standard Weight Five Knuckle Ball Bearing Hinge with Non-Removable Pin 4 1/2' in Prime Coat (USP $13.39 $17.85 25% Off Add to cart More. BUTTS, PIVOTS, OLIVE KNUCKLES, PAUMELLES AND FINIALS. We forge, machine and cast our own olive knuckle, butt and paumelle hinges in a variety of sizes and styles to meet the requirements of any project. Finials, bearings and finishes can be customized to suit any interior. 26f hole preparations for, 4–5 nontemplated hinges, 4 templated hinges, 5,5f installation of, 27–30 fasteners, 27–28, 27f locations, 28 preparations, 28, 29f, 30f invisible, 10, 11f, 12f knuckles of, 5–6 five-knuckle hinges, 5,5f three-knuckle hinges, 5,6f two-knuckle hinges, 5, 6f locations of, 28 materials for,6 olive knuckle, 10.