1.ISO9000, CE, BS1139, EN74 2.Name:Lock pin, Washer plate, Wing nut, Base plate, Insert 3.Type: ... 4.HDG, painted 1.IntroductionWe can supply to you various scaffold accessories, including base plate, screw jack base,wing nut, washer ... plate, inner joint pin, jack nut, lock pin and steel panel. we can design and produce them ...