Block size face: 1850mm ×600mm Block surface height: 550-~ 670mm To break back point of view: 0 ° -70° Legs folded on board to angle: 0 ° -35 ° Handrail point of view before: 0 ° -30 ° Handrails up and down adjustment: 100mm Handrails plate size: 450 × 160mm