Feature:1. EASY TO USE: The crossbar insurance, which is inserted to form the main body of the scaffold, must be welded to the frame to secure the crossbar, thus forming a module.2. FLEXIBLE TO USE: The locking pin is cross can be inserted quickly, making the scaffold assembly more flexible.3. 180 DEGREE ROTATION: Because 180 degree rotation makes the insurance work by gravity, ensuring the rigidity of the scaffold.4. GALVANIZED: Scaffolding joint connecter is galvanized surface treatment, which can be used for a long time not easy to rust.5. PRODUCT SIZE: The product includes 50 pieces, the size is 12x45mm, please choose the right size to use.Specification:Item Type: Scaffolding Joint ConnecterMaterial: GalvanizedQuantity: 50pcs Per PackageSize: Approx. 12x45mm / 0.5x1.8in.Package List:50 x Scaffolding Joint ConnecterNote:All data are measured manually, and there are certain errors in the measurement results.