DRILL SET 1. 6/10/12/18/24/25/32mm 2. carbon or HSS 3. tintium or not 4. packed by double blister 1.High carbon steel.2.Flat bits give fast and accurate cut.3.Includes 300mm extension bar & hex key.4.Flat bits:6mm,10mm,13mm,16mm,20mm,22mm,25mm and 32mm with clean cut spur. DRILL SET 10 PIECE FLAT WOOD DRILL SET