Feature:1. Exquisite design, suitable for unique places that need to improve accuracy without slipping the drill bit.2. The Vgroove basement used to fix difficult specialshaped objects, such as pipes.3. With 4 screw holes, it is convenient to use as a fixed drill floor with depth limiter, easy to use.4. The bracket is composed of rotatable double guide rods, which can be adjusted to accurately drill holes at an angle of up to 45.5. The guide rod itself has a spring, which can be quickly reset when repeated drilling.Specification:Item Type: Mobile Drill Machine StandMaterial: Steel, aluminumBase Diameter: Approx. 140mm / 5.5inTotal Height: Approx. 290mm / 11.4inDrill Bit Diameter: Approx. 42mm / 1.7inAngle Adjustment: 0-45Stroke: Approx. 145mm / 5.7inSize: Approx. 23 x 29.5cm / 9.1 x 11.6in.Package List:1 x Drill Machine Rail Base1 x Drill Machine Guide Rail Through1 x Handle1 x Hex Screwdriver1 x Washer