12 New Mascot Flat Pivot Drills. This is a new set of 12 Mascot flat pivot drill bits. Used for replacing broken pivots in watches, clocks, and gauges. Includes a wood block and a clear plastic protective cover. You receive: Three size 0.004" (0.10 mm) bits. Three size 0.006" (0.15 mm) bits. Three size 0.008" (0.20 mm) bits. Three size 0.010" (0.25 mm) bits.