MaterialSteel Drive System Square Head Style Button Exterior Finish Zinc Thread Size#8 Point StyleSelf-Drilling Metal TypeAlloy Steel Brand TNITRIB Color Silver Thread Coverage Fully Threaded Fastener TypeSheet Metal Screws Quad Drive for #2 Square or #2 Phillips Bit Size # 8 X 1" Manufacturer TNITRIB Item Weight 0.79 lb Package Dimensions : 3*3*1.5 inches PatternSheet Metal Fastener Installation MethodSelf-Tapping Item Package Quantity 150 Number Of Pieces 150 Measurement SystemImperial UsageSheet Metal Self Tapping Batteries Included? No Batteries Required? No