Bosch hole saw sets hss bim vario tooth with arbor amp centre drill bosch 2607018390 this bosch holesaw set contains 11 holesaws 2 hexagon socket adaptors including pilot drill bit and 1 hexagon nutsetter in a sturdy carrying case bosch 2607018390 hole saw hss bim set 19 to 64 76mm 11 piece vario tooth amp arbor