The Simpson Strong-Tie® LUC hanger is designed to provide support underneath the joist, rafter or beam to provide a strong connection. This face-mount hanger has concealed header flanges that make for cleaner visible lines in exposed conditions. The LUC is value engineered for strength and economy and provides for easier and faster installation. LUC ZMAX® Galvanized Face-Mount Concealed-Flange Joist Hanger for 2×10 (Pack of 1800).