Torque Arm System, Operates 10 to 12 Sashes at the Same Time, Available in White, Black, and Gray
Economical and low maintenance
Quality built system to operate high level or inaccessible windows
Operate 10-12 sashes at once
Window opening as wide as 400mm
Easy to position on the wall or aluminum frame
Standard colors: white, black, gray, and other colors are optional