Otto Frei

Stone setting begins with cutting: a twist drill opens the pilot hole, a ball or hart bur shapes the bearing, and a setting or cup bur finishes the...

A setting bur cuts the seat and bearing a stone drops into, opening the metal cleanly so a bezel or prong holds the girdle square. This 16 piece ki...

Setting burs cut the seat that holds a stone in place. Swiss Fig. Q setting burs come in sizes 1.00mm–3.75mm, manufactured from tungsten vanadium s...

Pearl seat cutter burs cut a rounded bearing seat so a pearl or bead sits level and secure in its setting. Meisinger Fig. 418 Pearl Seat Cutter bur...

Setting burs cut the seat that holds a stone in place. Swiss Fig. Q Setting Burs are precision-crafted from tungsten vanadium steel and manufacture...