This set contains commonly used sizes from the imperial range. Although designed for cutting metal, HSS drills are also suitable for drilling holes in timber, chipboard and plywood. The robust plastic case secures and protects the drills when they are stored with other tools. The contents can easily be viewed through the flip action transparent lid. Manufactured to meet DIN 338 standard. No. of drills: 7 Sizes: 1/16, 3/32, 1/8, 5/32, 3/16, 7/32 1/4in The Faithfull Imperial HSS Drill Bit Sets are designed for cutting metal, however they are also suitable for drilling holes in timber, chipboard and plywood. The sets have an easy flip open action case with transparent front for easy checking of contents. Manufactured to meet DIN 338 standard. 7 Piece F7PSET: 1/16, 3/32, 1/8, 5/32, 3/16, 7/32 and 1/4in. 13 Piece F13PSET: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64 and 1/4in.