diamond drill kit Including 6,8,10,12,15,20,25mm threadt drills and one pcs pf water swivel,one pcs of pad. With the pad,holdi diamond core drill kitModel number is DBSET07comprising:7-pcs super thin core drill:6mm,8mm,15mm,19mm,26mm,36mm,44mm2 accessorion: one pc pf water swivel,one pc of fixing pad.Packed with a ALU case diamond drill kit