99Pcs 1.5MM-10MM Titanium Coated Metal HSS High Speed Steel Drill Bit Set Tool Hss drill bit set for wood, plastic and aluminum Ideal for DIY, home and general building/engineering using Containing sizes: 1.5mm : 16pcs,2.0mm : 16pcs, 2.5mm : 15pcs, 3.0mm : 10pcs, 3.2mm : 10pcs, 3.5mm : 8pcs, 4.0mm : 8pcs 4.5mm : 3pcs, 5.0mm : 3pcs, 5.5mm : 2pcs, 6.0mm : 2pcs, 6.5mm : 2pcs, 8.0mm : 2pcs, 10.0mm : 2pcs.