Attached ladders are intended for carrying out erection work, adjustment and alignment, repair work in the electric installations, in wells and on the traverses LEP. Attached ladders are intended for realization constructive works and other works indoors and outdoors. Depending on destination the lower ends of bowstrings have rubber bearings or steel caps. There are braces on the upper and lower parts of the ladders for increasing the construction's hardness, the bowstrings diverge downwards or parallel.

Rungs are covered with a spray to prevent slipping shoes. Ladders equipped with rubber bearings (on request equipped with steel caps). Step of a rung 34 cm, length from 2 to 7 m high and weigh from 5 to 23 kg.

Type a b c d n m DSOP-2 2 35 45 34 5 6 DSOP-2,5 2,5 35 47 34 7 8 DSOP-3 3 35 50 34 8 9 DSOP-3,5 3,5 35 53 34 10 11 DSOP-4 4 35 56 34 11 13 DSOP-4,5 4,5 35 59 34 13 15 DSOP-5 5 35 62 34 14 17