Achieve lock installations with the ball-shaped lock hole opener set for wooden door lock drill bits. This kit is designed to make the process of drilling lock holes in wooden doors as easy and efficient as possible. The drill bits are crafted from materials, ensuring performance and reliability. Whether you are installing a or upgrading an existing one, this set provides the precision and control you need to Features -Color:Yellow -Material:ABS+Iron -Size:10.20X6.90X6.70cm/4.01X2.71X2.63in -Rapid drilling: drilling function allows for rapid hole creation, enhancing installation speed and efficiency -Versatile compatibility: suitable for a wide range of wooden doors, providing excellent compatibility and versatility -Precision template: adjustable guide template ensures accurate and precise drilling, ensuring consistent and reliable results -Userfriendly operation: designed for ease of use, it offers a simple and intuitive operation, making it accessible for all users -Effective debris removal: large chip removal slot ensures easy and effective debris removal, preventing blockages and ensuring smooth operation Package list: 1 x U-shaped adjustable rail template 1 x mandrel with drill bit 2 x hole