Replacement roller

A quick learner from USA says:
April 24, 2017
If you could be so kind as to advise The correct replacement number for the enclosed picture as the plastic cracked and I need 6 pieces
It could be a plastic or metal roller
Roller
Profile picture of Tom
Tom from SWISCO responded:
April 27, 2017
This could be either our 23-081, with a convex wheel, or 23-086, with a concave wheel. I'm just not sure which type of wheel it is you have. See what you think!
Mirror Wardrobe Door Roller, Convex
Mirror Wardrobe Door Roller, Convex
23-081
$5.97
Mirror Wardrobe Door BB Roller, Concave
Mirror Wardrobe Door BB Roller, Concave
23-086
$8.42
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