盘扣式脚手架立杆。圆盘之间距离500mm,立杆的规格模数为500mm,具体常用的规格有500mm,1000mm,1500mm,2000mm,2500mm,3000mm,另外还有基座200mm。盘扣式脚手架水平杆。型号规格模数为300mm。即300mm,600mm,900mm,1200mm,1500mm,1800mm,2400mm,3000mm。