Oliver - OL4B-Yellow Complete or Fabric:Complete Umbrella This unit is for the

This unit is for the old units WITHOIUT a center hole

The canvas you have should have a center hole or grommet to be used with this hardware

C = Curved Hanger

We no longer sell the red & white canvas with black logo

Oliver - OL4B-Yellow Complete or Fabric:Complete Umbrella This unit is for theDescription Two panels display the classic Oliver Shield logo printed in green and red ink on yellow canvas. Bent Shaft Umbrellas have all of the hardware underneath the canvas. If you are ordering replacement canvas for a Bent Shaft square umbrella, your old canvas will NOT have a center grommet (ring) or center hole. The bent shaft style has all the harware up underneath the canvas. Canvas does not have a center hole. OL = Oliver 4 = Square umbrella