5PCS HSS COBALT MULTIPLE HOLE 50 Sizes STEP DRILL BIT SET w/ Aluminum Case, 501 Original

Features: This ITEM IS Brand NEWThis set replaces 50 individual drill bits. Two-flute design gives you faster, smoother cutting. 3-sided (TRI-FLAT) shank will not slip in your drill\\'s chuck. Cobalt coated for smoother cooler cutting.Sizes:#1: 3/16\\\" to 1/2\\\" 6 Steps (3/16\\'\\', 1/4\\'\\', 5/16\\\", 3/8\\'\\', 7/16\\'\\', 1/2\\'\\')#2: 1/8\\\" to 1/2\\\" 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: 1/4\\\" to 3/4\\'\\' 9 Steps (1/4\\'\\', 5/16\\\", 3/8\\\", 7/16\\\", 1/2\\\", 9/16\\\", 5/8\\\", 11/16\\\", 3/4\\\")#4: 1/4\\\" to 1-3/8\\\"\\' 10 Steps (1/4\\'\\', 3/8\\\", 1/2\\\", 5/8\\\", 3/4\\\", 7/8\\\", 1\\\", 1-1/8\\\", 1-1/4\\\", 1-3/8\\\")#5: 3/16\\\" to 7/8\\\" 12 Steps (1/4\\'\\', 5/16\\\", 3/8\\\", 7/16\\\", 1/2\\\", 9/16\\\", 5/8\\\", 11/16\\\", 3/4\\\", 13/16\\\", 7/8\\\")Features:SELF STARTING - No need for a pilot hole.Cobalt coated to reduce friction and run coolerLarge bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuckAutomatically deburrs holes as you drillLong Life True M2 high speed steelIncludes protective padded aluminum case Package Content:1 x 1/4-1-3/8 Step Drill1 x 3/16-7/8 Step Drill1 x 1/4-3/4 Step Drill1 x 1/8-1/2 Step Drill1 x 3/16-1/2 Step Drill1 x Aluminum Box