Sash balance or channel balance

Question

The metal track not including the plastic ends is 18" length and 5/8 deep, 5/8 wide. It's marked 1720 at the bottom but bearly visible.

Bob · Accepted Answer

Hey there. Start by comparing this channel balance to our S351-18 or S390-18. See if one of these match what you seek. For the stamp option choose 1720.

Comparison of the S351 and S390 balance shoes.