benchmark top bifold door pins

A home owner from charlotte north carolina says:
i bought eight bifold door pivot pin, benchmark from swisco 3/9/11. part number 21-002 i will use for the bottom over time, however the top pins need to be about 6 1/2" instead of 5 3/4. any help i would appreciate.
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Paul from SWISCO responded:
Good Morning,

For Benchmark guide pins you can use the Swisco Bifold Door Pivot or the 21-044 Bifold Door Pivot. We do not offer any guide pins measuring 6 1/2" in length.
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