Plate is made from cast alum. that has been blanchard ground to insure flatness and black anodized for corrosion protection. There is provisions for eight nozzle bodies that are 1/8" pipe and a spot to bolt up a dist. block in the rear. P
late is 3/4" thick and will fit 6-71 thru 14-71 blowers with the small 13in. top opening.