Features:
*Total height:3.81M
*Folding height:0.80M
*Number of steps:13steps
*Space between step:31cm
*Step size:4*2.5cm
*Width:47.5cm
*Tickness of alum:1.5MM,1.3MM
*Folding height:0.80M
*Number of steps:13steps
*Space between step:31cm
*Step size:4*2.5cm
*Width:47.5cm
*Tickness of alum:1.5MM,1.3MM