1/2 in. L-Shaped Metal Trim (D200), 8 ft. Provides a neat finish to drywall at window and door jams where there is no wood trim present. Benefits: Made out of fire-resistant (ASTM A653) galvanized steel. Excellent protection and precision. Holes and knurled surface to allow for excellent adhesion to joint compound. Can be applied using nails or screws. Bailey Metal Products Trims Brochure