Specification: Material: High Speed Steel Surface Treatment:Titanium Coated Size: 1.5mm/ 2mm/2.5mm/3mm/3.2mm/3.5mm/4mm/4.5mm/5mm/5.5mm/6.5mm/8mm/10mm Quantity: 99pcs Features: Hss Drill Bit Set For Wood, Plastic And Aluminum Ideal For DIY, Home And General Building/Engineering Using Containing Sizes 1.5mm To 10mm Contents: 16 x 1.5mm 16 x 2mm 15 x 2.5mm 10 x 3mm 10 x 3.2mm 8 x 3.5mm 8 x 4mm 3 x 4.5mm 3 x 5mm 4 x 5.5mm 2 x 6.5mm 2 x 8mm 2 x 10mm Package Included: 1x Set(99pcs) Drill Bits