A Rotozip drywall zip bit is generally used when you want to achieve a controlled cut through a drywall.
A Rotozip sabercut zip bit-wood and plastic siding is able to cut through a wide variety of sidings including:
This Rotozip drill bit is generally used when you need to get a fast and accurate cut through a piece of drywall. The guide point on this bit is also able to trace around windows and door openings