Item No.: U65C031

.Material: fiberglass  framework, aluminum alloy Footboard                
.Size = 3 Tread, Closed = 0.96m (H), Open = 0.9m                
.The thickness of fliberglass: 2.9mm                
.The thickness of aluminum alloy : 1.5mm                
.Isolation voltage: 30000V                
.Maximum load bearing: 150kg