Suitable for DIY and home use, great for daily woodworking and Light Duty construction tasks. 500W Copper motor runs up to 2900rpm, meets different requirements of wood, steel, concrete, masonry and brick wall drilling. Variable Speed, 1/2" (13mm) Keyed Chuck, Depth Gauge, makes drilling more precise. Switch Lock Button enable you to lock the speed without a constant grip on the trigger to reduce fatigue. 360-degree Rotation Auxiliary Handle, suitable for left and right hands use, makes drilling comfortable. Specification: Rated Voltage: 230V/50Hz Rated Power: 500W No-load Speed: 0-2900rpm Drill Chuck Capacity: 13mm Cable Length: 1.8m Max. Drilling Diameter: Wood: 22mm Steel: 10mm Concrete: 13mm Great for installing chandeliers, TV, furniture, drilling on walls, doors, and windows, assembling furniture, mounting shelves, hanging pictures, installing bookshelves, fixing fences, etc.