Designed for sideload sash applications, this block and tackle balance is ideal for both residential and commercial windows. AAMA verified with a Class 2 rating, it meets the North American Fenestration Standard (NAFS) for quality and performance. Engineered for easy installation, it allows quick sash insertion and removal. Note: Sold per piece.

The 10" channel length can be identified by ID stamps such as 9-20, 9-2, or 9-B.

Part #: 17B9-20
SKU: 5046459
Brand: FRAMELESS HARDWARE