Wide Application: It can be used for opening new hole, opening eccentric hole, changing password and changing fingerprint The operational Quick slot, Complete specifications, The is simple Application: Good performance, and practical, suitable for home and professional use metal, eco‑friendly and stable, firm and Comprehensive improvements: The drilling machine adopts split type, and disassemble, precise scale can improve the cutting and speed and work efficiency Lightweight Size: Portable and small size, easy to store and carry, bring you convenience, Manufacturer: XIAOQENAN