Korean 90°Pressed double Coupler48.6mm/60.6mm Pressed Korean type scaffolding double coupler is also called 90 degree right angle coupelr or scaffolding fixed clamp,used for fixing horizonal and vertical scaffold steel pipes,mainly used in south korea and southeast asian markets. Weight：500-670g, Thickness：2.5-3.0mm. Material：Q235/SPHC, Surface treatment：galvanized. Fastening bolts：8.8 grade
