This is a bracket, but it may also be known as a dishrack row clip, or simply a tine clip, and it is used in conjunction with your dishwasher. The purpose of this part is to fasten to the rack and the tine row. This will give the tine the stability it needs to hold your glasses and bowls by firmly attaching to the rack. You will not need any tools to make this repair. This piece is sold individually, measures to be about 2 inches by 1 inch, and is gray in color.