Features: brand new and high quality. 3-in-1 multi-function drill guide, for drilling dowel holes and vertical holes. Adjustable metal bushings accurate alignment when drilling hole, easy to adjusting drilling height and hole depth. Easy to use, suitable for woodworking drilling holes and positioning. High accurate scale, easy to adjusting drilling height and hole depth. Made of aluminum alloy with excellent surface oxidation treatment, with high hardness, wear-resistant, rustproof, solid, durable and excellent for use. Self centering drill guide tools for the fixation and centering while drilling and woodworking. Specifications: Material: Aluminum Alloy Size: approx As the Picture Show Type: Set A/Set B/Set C (3 optional) Package Includes: 1 Set Woodworking Punch Locator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.