... ,ss304 3,size: 12",14",16",18",20" 4,competitive good 4-bar heavy duty top side stays FBX224 • 22mm square slot ... , non-handed, heavy-duty friction stays. Suitable for till & turn casement PVC steel ... 04030±2°18”22.018.02.5/3.04530±2°20”22.018.02.5/3.05040±2°22”22. ... , if any necessary, welcome to contact us! 4-bar heavy duty top side stays FBX224(22mm suqare slot)