1、Easy to use, suitable for cabinet hinge hole opening and effectively improve your working efficiency. 2、With the use of advanced sintering technology and high quality material, it is sturdy, wear resistant and has long service time. 3、The high quality blade makes the drill holes neat and smooth, and the adjustable design is more convenient to use as you need. 4、The head radian curve design is for better drilling result, small incision resistance and the opening efficiency is improved. 5、The chip removal is easy and the operating dust is less, the unique positioning plate is designed to allow opening hole more at ease. 6、Adjustable positioning drill, accurate scale, 15‑40mm effective depth, suitable for thick wood plate of 14mm or more and various hinge drilling. Condition: 100% Brand New Item Type: Hinge Hole Opener Material: Hard Alloy Application: It is designed to drill hole on hinge, wood work and plastic product. 15mm Size: Total Length: Approx. 77mm / 3.0in Width: Approx. 15mm / 0.6in Shank Diameter: Approx. 6mm / 0.2in Spacing Ring Length: Approx. 31mm / 1.2in Inner Diameter: Approx. 8mm / 0.3in 20mm Size: Total Length: Approx. 77mm / 3.0in Width: Approx. 20mm / 0.8in Shank Diameter: Approx. 7mm / 0.3in Spacing Ring Length: Approx. 31mm / 1.2in Inner Diameter: Approx. 8mm / 0.3in 25mm Size: Total Length: Approx. 78mm / 3.1in Width: Approx. 25mm / 1.0in Shank Diameter: Approx. 6mm / 0.2in Spacing Ring Length: Approx. 31mm / 1.2in Inner Diameter: Approx. 8mm / 0.3in 30mm Size: Total Length: Approx. 78mm / 3.1in Width: Approx. 30mm / 1.2in Shank Diameter: Approx. 8mm / 0.3in Spacing Ring Length: Approx. 42mm / 1.7in Inner Diameter: Approx. 10mm / 0.4in 35mm Size: Total Length: Approx. 78mm / 3.1in Width: Approx. 35mm / 1.4in Shank Diameter: Approx. 8mm / 0.3in Spacing Ring Length: Approx. 42mm / 1.7in Inner Diameter: Approx. 10mm / 0.4in Weight: Approx. 57g-108g / 2oz-3.8oz 1 x Hinge Hole Opener 1 x Wrench