Assortment box of 700 self tapping, flanged, black screws BS 4174. This kit contains approximately: 3.5 x 10 (x160), 3.5 x 19 (x160), 4.2 x 13 (x160), 4.2 x 19 (x60), 4.2 x 25 (x30), 4.8 x 13 (x30), 4.8 x 16 (x30), 4.8 x 19 (x30), 4.8 x 25mm (x40). Supplied in a partitioned box. Technical Specifications: Model No AB066STBK, Brand: Sealey, Nett Weight: 1.24kg.