Patent ID: 7614940

Claim:
A rotary tool accessory comprising: a work portion; and a hub portion operably connected to the work portion for rotating the work portion, the hub portion including a first mandrel mounting portion on a first side of the hub portion for mounting with a first mandrel type and a second mandrel mounting portion on a second side of the hub portion for mounting with a second mandrel type, wherein the second mandrel type is different from the first mandrel type; wherein the second mandrel mounting portion comprises a slot for receiving a keyed portion of a mandrel; and the first mandrel mounting portion comprises a bore for receiving the shaft of a screw; wherein the work portion defines a plane; the first mandrel mounting portion is co-planar with the work portion plane; and the second mandrel mounting portion is spaced apart from the first mandrel mounting portion in a direction perpendicular to the work portion plane by a spacer.