【Premium Solid Construction】Main body adopts aluminum alloy and brass spindle. CNC machined for industrial-grade precision. Works great on copper, aluminum, wood, plastic and professional watch repair. 【Two Optional Versions】There are two options for the mini bench drill: a standard version with an accuracy of about 5 wires and a clamping range of 0.3 to 4 mm; or a 3.175 mm fixed version for precision drilling tasks such as watch repair, with an accuracy within 2 wires. . Equipped with 12V/2A adjustable power supply (adjustable speed) and drill chuck wrench. Suitable for drilling 1 to 3 mm holes in soft metals. 【Wide Voltage & Versatile Use】3-12V wide voltage design with high rotating speed. Perfect for drilling various materials and precision watch repair, ideals for DIY lovers and model builders. 【Compact & Portable Size】Measuring 100×80×180mm with 13mm column, 13mm drill stroke and 800g net weight. Lightweight, easy to carry and operate for hobbyists and professionals. 【Ideals Crafting Tool】Durables build and outstanding drilling precision fit diverse drilling jobs. A practical essential for DIY and fine model making to upgrade your crafting work.