This auction is for one brand new 5PCS HSS Step Steel Cone Drill Titanium Bits Kit Set Hole Cutter Set Tools + Aluminium CaseFeaturesThis set replaces 50 individual drill bits. The 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.This drill can be on aluminum, steel, iron, metal, etc.SELF STARTING - No need for a pilot hole.Titanium 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 steelApply to with a clamp or joint drilling machine, suitable for drilling in the hardwood and wood floor, machine screw for the wood screw.Includes protective padded aluminum caseSpecificationsMaterial: HSS Drill 4241Black chamfer drill body material: steel 45Sizes:# 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: 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")# 5: 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")DrillShank Diameter1/4-1-3/89mm3/16-7/89mm1/4-3/49mm1/8-1/26mm3/16-1/26mmPackage Weight: 450gPackage1 x 3/16" to 1/2" Step Drill1 x 1/8" to 1/2" Step Drill1 x 1/4" to 3/4'' Step Drill1 x 3/16" to 7/8" Step Drill1 x 1/4" to 1-3/8" Step Drill1 x Aluminum BoxNote:This item Is Not Available For Pickup. it will be Dispatched From Our Supplier Warehouse Directly.-All items Will Be Shippeed out within 1-2 Business Days After your payment is received.