Each pack contains 30 pieces drywall bits measuring 1/8 inch in diameter, perfect for creating clean and accurate cuts in drywall. whether you are installing new electrical outlets, light fixtures, or any other fixtures that require precise hole cutting, these drywall bits have got you covered. Drywall bit bulk shank and tip diameter of about 1/8 inches, an overall length of about 2.35 inches, and a cutting depth of about 3/4 inch, this router drill bit is designed to deliver cutting effects; the calculated dimensions that the bit fits with your tools and offers an ideal grip during usage. Drywall cutting bit crafted from High-quality materials, these rotary cutter bits impressive durability and robustness; The ensures smooth and efficient cutting without chipping or cracking the drywall, saving you time and effort, Suitable for this reliable tool to make your woodworking tasks efficient. Our drywall bits are specially designed with a guide point to accuracy and controlled cutting.