PRECISE POSITIONING: Drill bush for precise positioning,will not move. High-speed steel body designed, durable and excellent for use.
SAWDUST DISCHARGED FROM HOLE: Sawdust will be automatically discharged from the top of the holes on both sides,without drill blocked.
UNIQUE DESIGN: Unique design and perfect punch effect. Applicable for the installation of the door hinge.Easy to use and install, change bits fast which one-handed load and release.
MULTIFUNCTION: Get accurately centered holes for hinges, handles, drawer slides, etc. Applicable for the installation of the door hinge.