Bosch 11 piece diamond core kit 5 cores in a trolley case key features5 piece diamond dry core cutter set g 12including1 x ejector drift1 x hex adapter g 121 x sds plus adapter g 121 x hex extension g 12 240 mm1 x sds plus extension g 12 240 mm1 x 200 mm pilot drill bit applications this is not to be used on hammer mode specifications38 52 65 117 127 mm 150 mm 7 mm technical specifications diameter mm 38 diameter mm 52 diameter mm 65 diameter mm 117 diameter mm 127 working length mm 150 numb