Single ladders in aluminum professional model for intensive use with a width of 430 mm and a rung 30 x 30 mm, a comfortable ladder in both the industrial and agricultural sector. Non-slip aluminum peg fixed with automatic riveting with rounded corners, non-slip PVC heel, welded upright max strength and lightness and jointed leg with rubber base and steel structure. Complies to the UNI EN 131 Legislative Decree 81/2008 Art. 113 and to the Legislative Decre 206/2005 Art. 2 consumers.