Need a new adjusting knob for your DeWalt circular saw? This is a genuine DeWalt replacement part, number 396992-02. It fits models like the DCS391 and DCS300 cordless circular saws. Tool Part Type: Knob. Application: Saw. Brand: DEWALT. Country/Region of Manufacture: Germany. It's the knob you use to adjust the bevel or depth on your saw. Brand new in its original packaging. If your old knob is cracked, stripped, or missing, this OEM part will get your saw back to working order. Always best to use genuine parts for a perfect fit!