Feature 1COMPATIBLE AND VERSATILE: Easily connect a 10mm diameter round shank to a 1/2 inch threaded adapter for drill chuck, expanding your drilling options for different applications. 2RELIABLE AND EFFICIENT: This adapter allows you to effortlessly connect your drill machine to a ground drill, ensuring a secure and precise connection for efficient drilling. 3SECURE CONNECTION: For added safety and stability during reverse motion, you can apply thread lock adhesive on the screw that holds the two parts together to ensure a reliable connection. 4EXPAND YOUR CAPABILITIES: By connecting this adapter to a drill bit, you'll have a versatile tool with 3 interchangeable drill bits, perfect for tackling various garden drilling tasks with ease. 5PERFECT SIZE: With a total length of 4.1 inches and a main body diameter of 3/4 inches, this adapter is compact yet sturdy, making it easy to handle, store and use. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Item Type: Garden drill adapterMaterial: Carbon steelWeight: Approx. 296g / 10.4ozTotal Length: 10.4cm / 4.1inBit Length: 4.3cm / 1.7inDiameter: 2cm / 0.77inPackage List1 x Drill Adapter3 x Drill Bit