Special lock tab washer for the venturi grub screw on the Weber 45DCOE (only!) carburetors.
Please note that this is ONLY used on the 45DCOE and NOT on the 40DCOE or 48 DCOE.
The special shape of the tab washer allows for additional securing by safety wire.
Required quantity per carburetor: 2
This is item number 24 in the drawing.