Description: Product Highlight: This is drill accessories for installing door frame and locks, specifically designed for wooden doors Versatile: The set comes with drill accessories, 1 Electric drill adapter, 1 Angle grinder drill rod, and 1 Electric drill rodMaterial: All components are made from high speed steel, ensuring durability and long term performanceProduct Dimensions: The bit specifically designed for electric drill measures 27cmx15mm, the adapter head has a diameter of 10mm, and the angle grinder bit measures 13cmx15mmPackage Contents: Each package contains 1 Electric drill adapter, 1 Angle grinder drill rod, and 1 Electric drill rod, great for all your door installation needs Specification: Material:High Speed Steel Color: Silver Size Chart: Electric drill rod 27cmx1.5cm/10.63inchx0.59inch Electric drill adapter: Diameter1cm/0.39inch Angle grinder drill rod13cmx1.5cm/5.12inchx0.59inch Package Includes: 1Electric Drill Rod 1Electric Drill Adapter 1Angle Grinder Drill Rod Note: Please allow slightly errors 1-2cm differences due to manual measurement.