Universal floor spring with 15 mm vertical adjustment Cast Iron Body Architectural finishes: coverplates in polished stainless steel, satin stainless steel Universal for right, left or double action doors Suitable for timber, metal and glass doors Adjustment in all directions to solve floor level problems without taking down the door Closing force EN3 fixed according to EN 1154 For single action doors and/or fan and up to 120 kgs Hold open at 90° Opening up to 180 ° in both directions with hydraulic control from approx 150°. Free rotation from 150° to 180°.