Features: The self-centering jig and adjustable fence allow for precise dowel alignment for maximum joint strength Whether you are DIY amateur,or professional carpenter, this product can provide you convenience The marks are laser engraved, clear and not easily fade Precise positioning, precise calibration, precise alignment Anodized surface, Resistant to corrosion,quickly with accuracy. Specification: Main material: 6061 aluminum Drill sleeve specification: 8mm, 10 mm Mark: laser engraving Thickness of perforable board: 13-50mm Surface treatment: anodic oxidation Type: Package A, Package B, Package C(optional) Package list: Package A: 1 x3 in 1 Hole Puncher Locator 2 x Triple point drill (8mm,10mm) 1 x Hole opener (15mm) 1 x wrench 1 x hex wrench 3 x wood plug Package B: 1 x3 in 1 Hole Puncher Locator 2 x Triple point drill (8mm,10mm) 1 x Hole opener (15mm) 1 x Position punch 3 x Knurling drill bushing（8mm*2 +10mm*1）(have installed on the Position punch) 1 x wrench 1 x hex wrench 3 x wood plug Package C: 1 x 3 in 1 Hole Puncher Locator 1 x Hole opener (15mm) 1 x Position punch 3 x Knurling drill bushing（6mm*2 +8mm*2 +10mm*1）(have installed on the Position punch) 1 x wrench 1 x hex wrench 3 x wood plug 1、The self-centering jig and adjustable fence allow for precise dowel alignment for maximum joint strength 2、Whether you are DIY amateur,or professional carpenter, this product can provide you convenience 3、The marks are laser engraved, clear and not easily fade 4、Precise positioning, precise calibration, precise alignment 5、Anodized surface, Resistant to corrosion,quickly with accuracy.