High quality steel cutting and bracing edges.Clever design results in a burr-free hole by evenly spreading pressure during cutting.Once pilot hole is drilled and cutter is attached, use a spanner to turn the cutter and thread will apply the required pressure.Accurate cutting, ideal for cutting sinks for tap and drain fitting.No extra finishing needed, due to clean cutting.Model No. HCPS32DURABLE - High quality steel cutting and bracing edges.CLEAN CUTTING - Clever design results in a burr-free hole by evenly spreading pressure during cutting.SIMPLE TO USE - Once pilot hole is drilled and cutter is attached, use a spanner to turn the cutter and thread will apply the required pressure.PRECISE - Accurate cutting, ideal for cutting sinks for tap and drain fitting.TIME-SAVING - No extra finishing needed, due to clean cutting.