With non-slip rubber feet on the top and bottom, can be used on both sides, tested and validated by the professional association according to the new guideline BGV D36, GS. Standing height: PAA16: 0.71 m - PAA18: 1.21 - PAA110: 1.21 m - PAA112: 2.21 m - PAA114: 2.71 m - PAA116: 3.21 m - PAA118: 3.71 m - PAA120: 4.21 m - PAA124: 4.71 m.