... are free Galvanized Steel AngleSteel Wall Angle is for gypsum drywall system like Knauf and Lafarge. This kind of ... or any other length [Usage] gyspum drywall suspension ceiling system. [Packing ] 50pcs bundle by steel strapping or plastic strapping ... structural framing, CD60, cable tray,cable ladder,cable basket,cable support system,drywall linings, drywall steel sections, drywall framing, ...