Materials:galvanzied steel plate,stainless steel plate
Wing size:normally 28mm-70mm
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Corner Bead used to create smooth, straight, finished corners. After attaching to the drywall and applying joint compound (drywall mud), the corner bead becomes part of the wall. The outside corners of drywall can be damaged easily. Installing a corner bead will prevent the edges from crumbling and help to make a smooth seam.
They are mainly used in building materials and plasterwork for outside or corner of concrete columns of wall.