Suitable for hinge installation of clothes, cabinets, doors, boards and other furniture. Aluminum alloy material, wear- and , can achieve rapid clamping, simple installation and operation, accurate positioning. The hole margin is adjustable from 3 to 7 mm, which is convenient to operate better. Double-bearing stable drill sleeve can be clamped with one hand. You receive a hinge punching locator set, which can meet your daily use needs. describe: Name: hinge punching locator set Opening margin: adjustable 3/4/5/6/7mm. Opening size: 35mm Applicable board thickness: 12-25mm. Material: Aluminum alloy colour: As shown Package Contents: 1 x Hinge punch locator set 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.