See if this works with your machine
The Hoop Screwdriver is specifically designed to make adjusting most embroidery hoops easily. This screw driver with a nonslip grip cradles the adjustment screw of your embroidery hoop allowing you to tighten or loosen your embroidery hoop. Features a DeWalt screwdriver head. The hoop screwdriver has a non-slip grip for easy adjustments.
Part Number: TAC CNHSD