Product Description
9Pcs Combination Drill Set (Fully Ground HSS Drill Bits, Brad Point
HSS Metal Drill ：3mm/4mm/5mm/6mm/8mm (1/8",5/32",3/16",1/4",5/16",3/8")
Wood Drill： 4mm/5mm/6mm/8mm/10mm (1/8",5/32",3/16",1/4",5/16",3/8")
Masonry Drill：4mm/5mm/6mm/8mm/10mm (1/8",5/32",3/16",1/4",5/16",3/8")
Drilling for Metal, Concrete, Wood, Plastic for Generaly Purpose.