Sold in a 10-pack, FBMs 1/8-inch Spiral Cut-Out Bit Drywall Guide Tip bits offer added value for users requiring multiple replacements or those engaged in larger projects. These bits are compatible with most drywall cut-out tools, ensuring versatility and convenience. Whether you're installing electrical boxes, outlets, or vents, this guide tip provides the reliability and performance needed for precise drywall cutting tasks.