ALBERTool's 3/16" Cutting Bit, 10-Pack of High Quality and Durable Cutting Bits; Easily around outlet boxes and conduit with less effort using ALBERTool's Pilot Point Cutting Bit. Guide point allows for easy control of the outlet without damaging boxes and ductwork, minimizing the amount of patching or repair needed. This bit is the perfect choice when it comes to a quick, clean cut in drywall. It is ideal for cutting door and window openings in drywall. drywall and acoustic foam joints. This high speed steel drill bit is compatible with all CUTOUT and rotary tools that accept 1/4" drill bits such as Makita Rotor, Dewalt and other type of rotor. The bit shank has a 1/4" shank, makes 3/16" cuts, and measures 3 -1/4" long. Each bit is coated with a plastic guard to preserve and protect the entire bit during use. shipping until ready for use. Includes 5 drywall cutting tips, made in CHINA. At an affordable price without losing quality. Designed specifically for the professional contractor and installer who understands that quality is their first concern when purchasing tools that will be in high demand by construction professionals, which is why all tools are field tested to ensure they are " Ready for the workplace.” ALBERTool's focus on innovation, quality and value, one of the focuses is that it is easily evident when using these tools. Simply the best option for installers and finishers in the plaster, eifs, stucco and acoustics sectors.