Specification: Item Type: Garden Drill Adapter Material: Carbon Steel Weight: approx. 296g/10.4oz Total length: 10.5 cm/4.1 inches. Tip Length: 4.3cm/1.7inch Diameter: 2 cm/0.77 inches. Package List: 1 x Drill Adapter 3 x Drill Bits Features COMPATIBLE & VERSATILE - Easily connects a 10mm diameter round shank to a 1/2 inch threaded drill chuck adapter, expanding drilling options for different applications. RELIABLE AND EFFICIENT - This adapter allows you to easily connect your drill to a ground drill, ensuring a secure and precise connection for efficient drilling. SECURE CONNECTION: For more safety and stability when reversing movement, you can apply a thread lock adhesive on the screw that holds the two parts together to ensure a reliable connection. EXPAND 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. PERFECT SIZE: With a total length of 4.1 inches and a main body diameter of 3/4 inches, this adapter is compact yet sturdy, which makes it easy to handle, store and use.