<br />5 Piece Lip & Spur Wood Drill Bit Set, these are the preferred cutting tip design for drilling wood, these alloy steel drills have a steeper twist and a deeper flute than HSS bits, for rapid clearance of waste. They are ideal for use in dowelling jigs.<br /><br />Sizes: 4, 5, 6, 8 and 10mm.<br /><br />4mm: Working Length: 43mm, Overall Length: 75mm.<br />5mm: Working Length: 50mm, Overall Length: 85mm.<br />6mm: Working Length: 52mm, Overall Length: 92mm.<br />8mm: Working Length: 75mm, Overall Length: 120mm.<br />10mm: Working Length: 80mm, Overall Length: 130mm.">