Lip and spur wood drill bit set, 5 piece 4 10mm faithfull 50199, the faithfull brad point wood drill bits are the preferred cutting tip design for drilling wood, chipboard and mdf'. '.strtoupper('t')his alloy steel drill has a steeper twist and a deeper flute than hss bits for rapid clearance of waste'. '.strtoupper('i')deal for use in dowelling jigs.5 piece lip and 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'. '.strtoupper('t')hey are ideal for use in dowelling jigs'. '.strtoupper('s')izes 4, 5, 6, 8 and 10mm'. '.strtoupper('4')mm working length 43mm, overall length 75mm.5mm working length 50mm, overall length 85mm.6mm working length 52mm, overall length 92mm.8mm working length 75mm, overall length 120mm.10mm working length 80mm, overall length 130mm'. '.strtoupper('f')aithfull 50199 lip and spur wood drill bit set, 5 piece 4 10mm