EZYCHANGE HOLESAW ELECTRICANS Only one arbour needed is for the range of 16 - 152mm with quick release pilot drill and core body. 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, ensures long service life and high cutting speeds 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. Compatible with other major manufacturers quick change holesaws.