Right Angle Drill Bit Adapter 90 Degree Handle Adapter with Keyed Chuck for Right or Left Hand Use, Attaches to Most Standard Drill Bits. The drill accessory chuck is made of high-quality solid iron that provides good strength and longevity. Simple to install and use, comes with a handle for more stable operation. Increase the power of the electric drill by 90° to achieve hard-to-reach angles, even in the tightest spaces. The tool chuck accepts standard drill bits from 1 to 10 mm and maintains a maximum torque of 20 Nm, maximum speed of 500 rpm.