Replacement casters needed

A quick learner from Johns Island, SC says:
I need replacement caster preferably in stainless for my 2017 Regal 53 Sport Coupe boat. It has a polished stainless steel siding door. I'm looking for qty 4.
Thumbnail of the uploaded file named Roller installed
Thumbnail of the uploaded file named Rollers
Thumbnail of the uploaded file named Roller top
Thumbnail of the uploaded file named Roller springs
Thumbnail of the uploaded file named DelMar roller
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Casey from SWISCO responded:

Hello,

I can't be sure but your roller is a similar style to the 81-158. The determining factor would be how the dimensions below compare to yours. Also, please note that our roller does not come with the same screw spring, so you would need to reuse the originals if they are needed for installation. Take a look and thanks for posting! 

Alternate image for 81-158
Alternate image for 81-158

A quick learner from Johns Island, SC says:
Does the 81-158 coming with a stainless option?
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Casey from SWISCO responded:

Unforutnately, we do not carry a stainless steel version of the 81-158. We apologize for the inconvenience. 

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