The SUTTON TOOLS Adjustable Hole Cutter is the quick and cleaner way to cut or enlarge holes in ceilings, walls and floors made with plasterboard, fibre cement sheeting, fibreglass or stucco.
It features a clear dust shield which not only catches shavings from the cutting process, but also permits the user to see the cut and better control it.
It also features an adjustment know enabling the user to easily control the cutting depth.
Specifications

Cutting Diameter: 48-305 mm
Cutting Depth: 5-30 mm
Maximum Material Thickness: 51 mm (2″)
Shank Diameter: 10 mm (3/8″)