1. Steel grade: Q235 2. Finish: EG; HDG; powder coated; painted; 3. Assemble at the bottom of the scaffold Steel grade: Q235 Finish: EG; HDG; powder coated; painted; Assemble at the bottom of the scaffold U shape head plate and square bottom plate Hollow core and solid core (construction, cross brace, plank, metal, hardware, project, engineering,product,oem, odm)