Properties: 7 piece diamond drill set in a Klingspor case - Contents: 2x Ø 6 mm (325382), 1x Ø 8 mm (325527), 1x Ø 10 mm (325383), 1x Ø 12 mm (325384), 1x Ø 14 mm (325528), 1x hole starting aid (313807) Advantages: Diamond drill bits and stainless steel centring aids in a convenient and sturdy aluminium case