57 Series Non-Tilt Balance, 37", 40 lb., with Attached Ends
Commercial Window Balance for Traco 650 Series Single Hung Window and Double hung windows and other Aluminum windows companies.
3/4 x 1-1/4 Channel Single Spring, Single Hook
Tube Length: 37 inches
Weight: 40 pounds
Markings: KB
57-37S40 Double Spring (37 Length & 40 Weight - metal tube is 37")
3/4 x 1-1/4 Channel Single Spring, Single Hook
Tube Length: 37 inches
Weight: 40 pounds
Markings: KB
57-37S40 Double Spring (37 Length & 40 Weight - metal tube is 37")