The Bosch AdvancedImpact 18 Cordless Combi Drill is a highly-versatile, professional tool for your DIY projects. Combining a drill and impact drill into a single tool, you can drive screws and drill holes in wood or even masonry.And 3 adapters help you solve various problems. The keyless chuck adapter is your standard all-rounder, the offset angle adapter helps you reach difficult spots, and the angle adapter lets you drive screws at 90 degrees.It comes with a18-volt batteries which also works with the entire Bosch Home & Garden tools range.