Older type of spiral balance

Question

need to id the attached spiral pic. 23 inches long, 5/8 diameter. did not see anything on your web site to match the bottom part of the spiral. no identifying numbers

User submitted photos of a window balance.

Paul · Accepted Answer

Hello! Looks like you have an old Tucker window balance system. See our S500-23 balance and 15-040 shoe. As for installation, you could use a charging tool like our 75-004 or 75-005.