[FUNCTION]wooden door hinge hole opener is designed for wooden door hinge groove, lock body guide plate groove and other slotting applications. Any lock and hinge can be fitted in a matter of a few minutes, speeding up the task immensely when compared to traditional methods, and with minimal effort for maximum productivity and efficiency. [EASY TO USE]The length and width positioning supports flexible adjustment in four directions, accurate positioning and fast slotting rate. The puncher with its own scale, convenient and accurate. The maximum opening is 18 cm, which is easy to adjust and use. [FAST CLAMPING & SAFE CLAMPING]No tools required, fast clamping: hand-tightened screws, fast clamping, efficient work. Safe clamping, no damage to the facade: the clamping part adopts rubber anti-skid design to that the surface of the wooden door will not be damaged. It is the choice of professional woodworkers. Maximum clamping: 6CM. [UNIQUE DESIGN + QUALITY MATERIAL = PROLONG SERVICE LIFE]hinge drilling plate is equipped with a stainless steel threaded sleeve in screw hole, which effectively protects the internal thread of fixture and prolongs the service life. hinge hole guide adopts an integrated aluminum alloy one-piece molding design, , strong, sturdy and durable, has long service life. [TIPS]The hinge drilling plate needs to be used with the trimming machine. After grooving is completed, all corners are rounded and need to be repaired to a right angle before installation. Material: Aluminum alloy colour: As shown Package Contents: 1 x Door Hinge Jig 1 x trimming knife 1 x wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.