The Makita Ezychange hole saw system ensures only one arbor needed is for all hole saws in the 16 - 152mm range, along with a quick release pilot drill connection. This not only allows speedy size changes but is also a safer method for the user. Manufactured from HSS Bi-Metal with 8% cobalt and progressive tooth geometry, these hole saws are designed to provide a long service life and high cutting speeds. They are suitable for ferrous and non ferrous metal, stainless steel, Aluminium, wood and plastics. Ezychange holesaws can be purchased individually or as a kit, designed with the right sizes to suit your trade. They are compatible with other major manufacturers quick change hole saws. This kit is designed specifically with plumbers in mind and is supplied in a hardwearing metal case for transport and storage. Contents • 19mm • 22mm • 29mm • 38mm • 44mm • 57mm