Product Info Catalog Building Materials Construction Drywall Tools & Accessories 1/2x8 WHT J Corner Bead 1/2x8 WHT J Corner Bead Request a Quote UPC: 49821371104 Manufacturer: Amerimax Home Products SKU: 210048 Model Number: 37110 1/2" x 8', White, 30 Degree Vinyl J Corner Bead.