Ford Econoline van rear fixed window conversion to vent type under $20.00

Converted my Ford Econoline van stationary/fixed rear door window to vented style. Works better that the bottom only opening factory style. Parts I used : (4) #10 machine screws 4" long. (4 )#10 nuts, (4) #10 wingnuts, (4) 1/4 steel washers, (4) 1/4 rubber washers.