Guide rail, has hand rail made of stainless steel or black steel and round tube, which comprises specific dimension than effective part of suspension bolt stair or folded plate stair, where hand rail consists of hollow body

摘要

The guide rail has a hand rail made of stainless steel V2A or black steel and a round tube. The round tube comprises dimension of 42.40 mm than an effective part of a suspension bolt stair or a folded plate stair. The hand rail consists of a hollow body, and another hollow body with corresponding spacers is positioned in the hand rail. Vertical supports of the hand rail are positioned on a guide rail post by holes at lower sides of the hollow bodies, where the vertical supports consist of a round tube with dimension of 16 mm.