block & tackle counter balances

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Quick Learner from CO

Jun 26, 2021 10:54 am

27 inch long, 9/16 wide
On AAMA sticker: mfr code: AMSCO series: VLS

5 user uploaded images

2 Replies

Emily from SWISCO

Jun 30, 2021 12:47 pm

Hi there!

With this combination of attachments, you could have either an S380-27 or S385-27 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. You'll also need a spring strength option of 2630.

Comparison of the S378, S380 and S385 balance shoes.