Does 2730 conform with it being the window sash

A quick learner says:
need to know if the number 2730 conforms with it being the window sash? it is 28inches long and 1/2 inch wide. need to make sure that it is the right sash before ordering.

Thank you
A quick learner says:
the length is 28 inches long and 1/2 inch wide, attaching pictures: please reply asap.

Thank you
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Tom from SWISCO responded:
I'm not sure I understand your question. I also did not received your pictures. The stamp does not tell us anything about the window aside from how strong the spring is. Two 28" long channel balances with a 2730 stamp option can carry a window sash weight of 13 through 19 pounds. What specifically did you want to know?
A quick learner from anaheim ca says:
on the window sash in question (28" in length & 9/16 in width)does it come completely assembled as pictured on your site ?
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Paul from SWISCO responded:
Yes, all of our balance Series come fully assembled just as pictured. Also keep in mind that the hardware you're looking for is known as a "balance," not a "sash." The sash is the framed glass in the window frame that opens and closes.
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