Abstract: A hole saw holder comprising an elongate body having a first end and a second end, wherein the first end has an external thread (6) of sufficient length t receive a plurality of hole saws (16), a support formation (8) at the end of the external thread for supporting one or more hole saws received by the external thread, and a central axial drill bit receiving bore (4) which extends throughout the length of the elongate body. The hole saw holder can used to conveniently store a plurality of hole saws and a hole saw arbour. T hole saw holder can be used with two hole saws of different diameters to enlarge a hole which has already been drilled in a surface.