Emily from SWISCO responded:
September 1, 2022
Hi there! It appears you have either our S380-33 or S385-33 channel balance. The important difference between these two similar looking parts is the size of the bottom shoe. The Series 380 has a 1" deep shoe, and the Series 385 has a 1-3/32" deep shoe. Double check your measurement and refer to the image below to see which one matches up. You will also need the 3240 strength option. Comparison of the S380 and S385 balance shoes.
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