High QualityMade of Aluminum Alloy 6061 with excellent surface oxidation treatment, with high hardness, wear-resistant, rustproof, solid, durable and excellent for use. Easy To CleanYou can clean quickly, groove design for discharge dust. It can be cleaned and put into a cupboard. It does not occupy a lot of space and can be kept well, quick to use. Multiple Size Hand Drill Tools comes with 3 different sizes (6mm / 8mm / 10mm) Drill Bushings in the package, so that to easily drill holes of different sizes and meet various holing needs.The two claws are convenient for quickly setting the center of the hole, and the maximum thickness of the hole is 46mm. Accurate DrillingCenterlines ensure accurate alignment when drilling into various surfaces. Drill accurately, drill equally space hole along the wood. Drill guide jig for vertical hole drilling, easily find the center of a boards edge every time. ApplicationGreat ideal for fixing on all kinds of on board of different thickness, the two claws are convenient for quickly setting the center of the hole, groove design for discharge dust. Made of Aluminum Alloy 6061 with excellent surface oxidation treatment, with high hardness, wear-resistant, rustproof, solid, durable and excellent for use. Great ideal for fixing on all kinds of on board of different thickness, the two claws are convenient for quickly setting the center of the hole, groove design for discharge dust. Centerlines ensure accurate alignment when drilling into various surfaces . color: black size: as the picture shown Drill Guide Bushing: 6/8/10mm . Maxium support plate thickness: about 46mm . Package Included: 1X Single hole puncherust.with 3 different sizes (6mm / 8mm / 10mm) Drill Bushings