Key Features and high quality.Hss Drill Bit Set For Wood, Plastic And AluminumIdeal For DIY, Home And General Building/Engineering UsingCan not use for Stainless Steel MaterialContaining Sizes?1mm,1.5mm,2mm,2.5mm,3mmMaterial :High Speed Steel with Titanium coatedWhat?s in the box50Pc x Drill BitSpecificationsSKU: GE779IP0QF0SDNAFAMZModel: 30625Production Country: ChinaSize (L x W x H cm): 12*5*10Weight (kg): 0.5kgCertifications: Fair TradeColor: Main picture colorMain Material: synthetic