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 8" channel length can be identified by ID stamps such as 7-90, 7-9, or 7-I.

Appx. carry weight range for: I / 90: 30 – 34 lb (≈ 13.6 – 15.4 kg)

Part #: 17B7-90
SKU: 5046370
Brand: FRAMELESS HARDWARE