Bosch hole saw sets hss bim vario tooth with arbor amp centre drill bosch 2607018389 this bosch holesaw set contains 6 holesaws 2 hexagon socket adaptors including pilot drill bit and 1 hexagon nutsetter in a sturdy carrying case bosch 2607018389 hole saw hss bim set 22 to 64mm 6 piece with arbors vario tooth