Drywall router bit is highly accurate, with a bit diameter of 1/8 inch and a depth of cut of approximately 3/4 inch. This ensures that you get the exact size of the hole during use for consistent cutting performance. Rotary cutter bits are made of high-quality material, which is strong and , 't break or deform even under high stress, - and rust- and abrasion-. This gives your tools a longer life. Drywall cutting bits are not only suitable for cutting drywall and gypsum board, but can also be used to cut other materials such as acoustic tiles, outlet boxes, frames and canned light fixtures. The versatility is very extensive and can meet the needs of your different work scenarios. This drill is designed with a round guide point for more guided cutting, making the cutting direction accurate and controllable. The drill bit is for smoother drilling, and the twisted design makes drilling chip-free and reduces the cleanup work after drilling. Color: As Shown Material: Metal Package Contents: 60 pcs * drywall saw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.