Bosch 2608580803 HSS Plumbers Holesaw Set 9 Piece Bosch has released this new high speed steel holesaw set specifically for heating engineers and plumbers. It features the sizes plumbers use every day and they come in a sturdy plastic carry case. This kit can be used for general DIY as well as for specific plumbing and heating jobs. Precision holes into sheet metal Bosch accessories are famed for their high quality and long service life. Able to cut holes in a range of metals including aluminium, copper, brass, bronze, steel and INOX. Features: 9 piece holesaw set For the toughest demands Quickly and steadily through a wide variety of materials Designed to cut metal, mild steel, aluminium Progressive tooth strip for high cutting performace HSS bi-metal with 8% cobalt alloy for extreme resilience and long lifetime Specification: 1x BiM hole saw 19mm 1x BiM hole saw 22mm 1x BiM hole saw 29mm 1x BiM hole saw 38mm 1x BiM hole saw 44mm 1x BiM hole saw 57mm 1x Arbor 14mm - 30mm 1x Arbor 32