Window Friction Stay Casement Aluminum Profiles Windows and Doors Hardware 22MM 6 Bars Up-Hung Friction Stay
※ Choose the best stainless steel manufacturing.
※ The slider to choose the high quality stainless steel and special modified plastics, has excellent abrasion resistance, improve the bearing capacity.
※ Accord with QB/T3888-1999 standard for building doors and Windows hardware - friction.
※ Two adjustable opening Angle, easy to operate.
※ After 50,000 times repeatedly opening and closing test, still can use smoothly.