Description:5pcs 6mm-12mm Alloy Triangular Head Concrete Auger Drill BitSpecification:          Material       Alloy                Containing sizes          6mm、6mm、8mm、10mm、12mm           Size of Packing Box       L*W*H\/14*6.5*1.5cm\/5.51*2.55*0.59''           Quantity       1 Set (5Pcs)        Features: Durable and practical. HSS Drill Bit Set For Wood、 Plastic and Aluminum、 Copper、 Steel. Ideal For DIY、 Home and General Building\/Engineering Using.  Package Included:5 x Auger Drill BitMore Details: