Concealed Floor Spring for Wooden Doors with Pivot Set Compliant with EN 1154 Quick and easy installation Suitable door weight: Max 100kg Suitable door width: 1000mm Suitable door thickness: >40 Angle of opening: 150° Smooth soft movement Low installation cost & time Hold open standard: Hold open at 90° Finish: SS 304 grade, SSS Finish Tested as per : EN 1154