191-4134, Facom, Facom Countersink Drill Bit Set, 10.4 mm, 15.5 mm, 20.5 mm, 25 mm Head, 90°, 4 Piece(s), Brand Facom, Head Diameter 10.4 mm, 15.5 mm, 20.5 mm, 25 mm Facom Countersink Drill Bit Set, 10.4 mm, 15.5 mm, 20.5 mm, 25 mm Head, 90°, 4 Piece(s)