Help Identifying Channel Balance

A home owner from Pine Grove, CA says:
August 15, 2021

Hello,

Please assist in identifying this channel balancer. It looks like either a 380 or a 385 series. The marking on the part read (20 4 D1)

Best,

Arturo

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Bob from SWISCO responded:
August 18, 2021

Hi Arturo, yes, this looks like either an S380-21 or S385-21. The only difference between these two balances is the depth of the bottom nylon shoe, so compare both with your old hardware to see what matches best. See the image below for reference. In either case, choose 2040 for a new stamp option. 

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
21" Series 380 Channel Balance
21" Series 380 Channel Balance
S380-21
$9.38
21" Series 385 Channel Balance
21" Series 385 Channel Balance
S385-21
$9.38
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