This is a standard hardware which has multiple applications based on your tool. It is sourced from original equipment manufacturer for use with a variety of power equipment. Please refer to diagrams for proper application. This screw is made out of metal and it is sold individually. Requires a hex key or an allen wrench to install or remove it.
This is a genuine Craftsman part for use with Edgers. The blade attaches to the edger's drive shaft to cut and edge the grass. The package includes two 7-3/4-inch reversible blades and 2 spring washers. The most common reason for replacing the blade is when it is dull. The tools that you will need to replace edger blade are a screwdriver and an 11/16" socket.