DEWALT Drain Snake DCD200B 5 16 Inch Cordless Plumbing Auger (20V Brushless Motor Fixed Outer Shroud Pivoting LED Light Blockage Clearance Bare Tool) Hole Saws Tile Cutting Tile Cutting High Speed Steel (HSS): Delivers superior wear resistance and extended tool life Brand Manufacturer: DEWALT Model Number (SKU): DCD200B Product Type Category: Cordless Drain Snake Auger System Operating Voltage: 20V MAX* Internal Motor Architecture: XR Brushless Electronic Maximum Clear Pipe Diameter: 3 feathering the reversing trigger to change directions allows the black oxide bulb head to hook and evacuate hair clusters or tree roots without binding up the core steel