Screw extractor set with drills 12pcs

The set includes: Extractors 3 -6, 6 -8, 8 -11, 11 -14, 14 -18 and 18 -25mm Metric Equivalent to 1/8 -1/4, 1/4 -5/16, 5/16 -7/16, 7/16 -9/16, 9/16 -3/4, and 3/4 -1" Imperial Drill bits: 3/32, 1/8, 3/16, 1/4, 5/16, 3/8. Packed in plastic box.