replacement sliding door rollers

A quick learner from USA says:

I found your website and did some searching for replacement sliding glass door rollers. I've determined that the # 81-148 assembly with the # 81-255 split upright tab is what I need.

Do you have two (2) of those in stock, if not, what is the best way to modify the tab on the 81-148 to make it function the the tab on the 81-255?

What are your shipping charges to North Fork, CA, or is what I'm looking available in the Fresno, CA area?

Thank you for your assistance in this matter.
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Tom from SWISCO responded:
Thanks for posting. I'm afraid we don't have any a version of the 81-148 with that exact tab, but our 81-144 and 81-269 are somewhat similar to what you describe. I recommend carefully looking over our information, pictures, and measurements for these parts to determine if you could use either one as a replacement. If not, please show us a picture of your existing roller out of the door. That might help us find a good match.

We have many different shipping methods, so shipping cost will depend on what you select during checkout.
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