Specification Binding : Office Product Brand : Teng Lang Color : Silvery Label : Teng Lang Manufacturer : Teng Lang MaterialType : Carbon Steel PackageDimensions_Weight : 0.29982867632 PackageDimensions : L:3.199999996736 X W:2.399999997552 X H:0.399999999592 PartNumber : SDH5116 ProductGroup : BISS Basic ProductTypeName : SCREWS Publisher : Teng Lang Size : M4 x6/ 8/10 mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31lvHi8yckL._SL75_.jpg SmallImage_Width : 75 Studio : Teng Lang Title : 75 Sets Screw Post Metal Chicago Screws Binding Screw Leather Screw Nail Rivet Button Solid Belt Tack Screw (Silvery 1/4 5/16 3/8 Inches) Weight : 0.3 WeightUnit : pounds