Window Channel Balance one piece 22 inch 21-4-720A-617-1.
Window Channel Balance one piece 22 inch 21-4-720A-617-1, also known as a block and tackle balance or a side load balance.
VBS # 21-4-720A-617-1
22 inch Block and Tackle Balance for Non Tilting Windows
Stamp number: 21-4
Channel Depth: 5/8″
Channel length: 22″
Top Guide Number: 720A
Bottom Guide Number: 617
Terminal Clip Type: Knotless
Weight Capacity (lbs.): 17-22
Replacement Window Channel Balance