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Color: As the picture shown. Material: High Speed Steel with Cobalt Coated. This set replaces 50 individual drill sets. Made by Long life high speed steel. Self starting – no need for a pilot hole. Cobalt coated to reduce friction and run cooler. Automatically deburrs holes as you drill. Includes protective padded aluminum case. Specifications – 1/4” to 1 3/8” Drill Bit: 10 Steps (1/4”, 3/8, 1/2”, 5/8”, 3/4”, 7/8”, 1”, 1 1/8”, 1 1/4”, 1 3/8”). – 3/16” to 7/8” Drill Bit: 12 Steps (3/16”, 1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”). – 1/4” to 3/4” Drill Bit: 9 Steps (1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”). – 1/8” to 1/2” Drill Bit: 13 Steps (1/8”, 5/32”, 3/16”, 7/32”, 1/4”, 9/32”, 5/16”, 11/32”, 3/8”, 13/32”, 7/16”, 15/32”, 1/2”). – 3/16” to 1/2” Drill Bit: 6 Steps (3/16”, 1/4”, 5/16”, 3/8”, 7/16”, 1/2”). Package includes: – 5 x Drill Bits – 1 x Aluminum Case