centerboard gaskets

I ordered a set of gaskets for my centerboard from Dr marine.
Centerboard Rubber Washer.
Details
For centerboard lever - Size: 3"OD x 1" Center Hole: 1/4" Thick Neoprene Rubber. This piece is primarily used on Daysailer I, older Javelins & Widgeons!
Price: $7.00
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Centerboard Rubber Washers (set).
Details
2 of these are needed per boat - These come paired! Size; 1-1/2" OD x 1/2" hole x 1/4" Thick
List Price: $10.00
Price: $7.00
The second listing has me puzzled. I removed the cenerboard and had the 3" gasket, but I did not have the 1-1/2 inch gaskets. Where do they go?
Centerboard Rubber Washer.
Details
For centerboard lever - Size: 3"OD x 1" Center Hole: 1/4" Thick Neoprene Rubber. This piece is primarily used on Daysailer I, older Javelins & Widgeons!
Price: $7.00
--------------------------------------------------------------------------------
Centerboard Rubber Washers (set).
Details
2 of these are needed per boat - These come paired! Size; 1-1/2" OD x 1/2" hole x 1/4" Thick
List Price: $10.00
Price: $7.00
The second listing has me puzzled. I removed the cenerboard and had the 3" gasket, but I did not have the 1-1/2 inch gaskets. Where do they go?