Model No	Sections	Max.Height (mm/in)	Normal Height (mm/in)	Min.Height (mm/in)	Folded Height (mm/in)	Weight (kg/lbs)	Max.Load Capacity (kg/lbs)
A-056	2-sec	560/22.0	460/18.1	205/8.1	325/12.8	0.75/1.7	4.5/9.9
A-057 n6	3-sec	1360/53.5	1140/44.9	325/12.8	520/20.5	1.20/2.6	2.5/5.5
A-058 n6	4-sec	1410/55.5	1190/46.9	325/12.8	460/18.1	1.17/2.58	2.5/5.5
A-157 n6	3-sec	1470/57.9	1255/49.4	325/12.8	575/22.6	1.68/3.7	4.5/9.9
A-158 n6	4-sec	1510/59.4	1295/50.9	325/12.8	490/19.3	1.62/3.6	4.5/9.9
A-257 n6	3-sec	1650/65.0	1450/57.1	325/12.8	650/25.6	2.23/4.9	8/17.6
A-258 n6	4-sec	1655/65.2	1445/56.9	325/12.8	545/21.5	2.15/4.7	8/17.6
A-357 n6	4-sec	1725/97.9	1570/61.8	275/10.8	710/28.0	2.90/6.4	10/22.0
A-358 n6	4-sec	1745/68.7	1590/62.6	275/10.8	595/23.4	2.84/6.3	10/22.0
A-457 n6	3-sec	1835/72.2	1680/66.1	275/10.8	765/30.1	3.58/7.9	12/26.4
A-458 n6	4-sec	1860/73.2	1705/67.1	275/10.8	640/25.2	3.54/7.8	12/26.4