Looking for correct pivot shoe

A home owner says:
April 30, 2022
Current pivot shoe is 9/16" thick 1 1/4" wide. Can't tell if the length is 2 1/8" or 2 1/16"

Looks like part number 15-121 or 15-118

Does it matter if I get either?

Thanks.
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Emily from SWISCO responded:
May 3, 2022

Hello!

The overall height doesn't matter match since you have plenty of room in the track for pretty much any height. What matters most is thickness and width. I recommend our 15-121 as this looks like a dead ringer for your original pivot shoe.
Pivot Shoe, 9/16" Thick
Pivot Shoe, 9/16" Thick
15-118
$2.20
Pivot Shoe, 9/16" Thick
Pivot Shoe, 9/16" Thick
15-121
$2.37
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