... : 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 window ... ±2°24”22.018.02.5/3.06643±2°Dear friends, if any necessary, welcome to contact us! 4-bar heavy duty top ...