Trojan Aluminium Ladders 1-2-3 Part Ladders. Rectangular "box" section sides for extra strength and rigidity. Comfortable flat top twist proof rungs. All models supplied with rubber feet for non-slip contact. Single section: Class 1. Choice of rungs 15, 17 or 23. Height; 15 rungs = 4m, 17 rungs = 4.5m, 23 rungs = 6m. Weight; 15 rungs = 10kg, 17 rungs = 11kg, 23 rungs = 14kg. Two part push-up: Class 1. Choice of rungs 11, 13, 15, 17, 19, or 21. Closed Height; 11 rungs = 3m, 13 rungs = 3.5m, 15 rungs = 4m, 17 rungs = 4.5m, 19 rungs = 5m, 21 rungs = 5.5m. Extended Height; 11 rungs = 5m, 13 rungs = 6m, 15 rungs = 7.1m, 17 rungs = 8.1m, 19 rungs = 9.1m, 21 rungs = 10.1m.Weight; 11 rungs = 14kg, 13 rungs = 17kg, 15 rungs = 25kg, 17 rungs = 28kg, 19 rungs = 30kg, 21 rungs = 33kg. Three part push-up: Class 1. Choice of rungs 9, 11, 13, 15 . Closed Height; 9 rungs = 2.5m, 11 rungs = 3m, 13 rungs = 3.5m, 15 rungs = 4m, Extended Height; 9 rungs = 5.5m, 11 rungs = 7.1m, 13 rungs = 8.6m, 15 rungs = 10.1m.Weight; 9 rungs = 28kg, 11 rungs = 33kg, 13 rungs = 35kg, 15 rungs = 44kg. Two Section: Rope & Pulley Ladders. Choice of rungs; 19, 21 or 23. Closed height 19 rungs = 5m, 21 rungs = 5.5m, 23 rungs = 6m. Extended height; 19 rungs = 9.1m, 21 rungs = 10.1m, 23 rungs = 11.1m. Weight; 19 rungs = 33kg, 21 rungs = 40kg, 23 rungs = 49kg. Three Section: Rope & Pulley Ladders. Choice of rungs; 17, 19 or 21. Closed height 17 rungs = 4.5m, 19 rungs = 5m, 21 rungs = 5.5m. Extended height; 17 rungs = 11.6m, 19 rungs = 13.2m, 21 rungs = 14.7m. Weight; 17 rungs = 55kg, 19 rungs = 60kg, 21 rungs = 65kg.