This plate easily sticks into your Frankford Arsenal X-10 press case collator and allows increments for the case gate adjustment and speed control that you can remembers per calibet setting and dresses up the collator in general. The kit includes the overlay plate and a speed control knob insert with a pointer that you simply push into the speed control knob with the pointer at the 7 O'Clock position while the control knob is turned fully counter clockwise.