5 Pieces Center Drill Bits Set, High Speed Steel 60-Degree Angle Center Drill Bits Kit Countersink Tools for Lathe Metalworking Drill Bit Sets Accurate: A 60-Degree Angle center drill is very useful in drilling accurate center holes, 60-degree countersink holes or starter holes for bigger drill bits in metal-working Wide Range of Sizes: Including 5 Pieces of Pin Center Drill Bits Set range in size 1.0 2.0 3.0 4.0 5.0 to meet different needs Easy To Install,Unique design and perfect punch effect. Applicable for the instaltion of the door hinge. Easy to use and install, change bits fast which one-handed load and release. Multifunctional,Applicative for furniture, kitchens, woodworking, window door etc. Different hardness wood needs different self centering drill, and you just need take the screw apart and repce the drill with new one. Product material: 1-5mm Product material: stainless steel Packing list: 5* drill bits Package Including 5* drill bits