Penn state chuck

Two sealed bearings 3/4" bushing, 3/4"bolt 3 pieces of plastic. Cut black plastic on radial arm saw didn't sand much had to work on rod,used hole saw to drill for bearings used two washers between bearings tightened chuck to pack bearings together.Bolt is main shaft,taped bolt head for pulley.Pulley was turned on drill press. Wood working tools will do all but drill and tape bolt head. www.usplastic.com