This is an original part from the Milwaukee manufacturer. The 1/4" lockwasher is made for use with a variety of power tools and appliances. This item keeps bolts and nuts from coming loose from vibration. A wrench, hex key and a screwdriver are often helpful in making the repair. The 1/4" lockwasher is sold individually.
This is an authentic replacement part manufactured for use with Milwaukee grinders, sanders, and polishers. This special washer provides spacing on the spindle shaft for the hub adapter. The spindle washer is sold individually.