This part is the replacement latch handle for your dishwasher. It is made of black plastic and is approximately 5 inches by 1 inch. The latch handle is what allows you to open and lock the dishwasher door. If the latch handle is broken, you may not be able to open the door properly, and if the dishwasher door doesn't lock properly, the dishwasher will not be able to run. The main reason to replace the latch handle is if it is cracked or broken. This part is sold individually and is an OEM part from the manufacturer.