... than 100mm Permanent suspended platform is designed especially to be permanently installed on a specific building or structure for the inspection,cleaning and ... , called working cradleis,building maintenance unit also,is a working device with fences around to load operators, tools or materials during high ... 1604T31 or 6×19+ISWΦ8.3mm≥50KNNoteDimensions of platform on customer request among 1.2,1.5,2.0,2 ...