This cotter pin is an OEM part that is 1.25 inches long, gold in color, and sold individually. Made of metal, it can have a range of applications on a variety of lawn and garden equipment. Generally, you will need to replace this part if it becomes broken due to age and wear, or if you need to remove it for making other repairs. This is an easy repair that only requires a pair of pliers to carry out. You need to bend one end around the shaft or bolt and bend the other around the back end of the bolt to complete the repair.