Channel block & tackel window balance

Question

Hi , my is frank and i need 2 of those

Casey · Accepted Answer

Hello,

Your photos resemble the S377 channel balance. Take a look and compare the specifications to yours. You'll also need to measure the length of the metal channel and locate the stamp code on the balance to choose the corresponding strength option. Thank you!

How to measure the length of the Series 377 channel balance.

Alternate view of 15-005