Simpson 3 x 10 Concealed Top-Flange, Face-Mount Hanger HUC310TFThe HUCTF is a hybrid hanger that incorporates the advantages of both face mount and top mount hangers. This heavy duty joist hanger is designed with two concealed flanges for end of wall or corner installation. The HUCTF features face nailing that allows the hanger to be securely attached to the member. Model No. HUC310TF Joist Size. 3x10 Ga. 12 W (in.) 2 9 16 H (in.) 9 1 8 B (in.) 2 1 2 TF (in.) 2 1 2 Coating Material. Zinc Galvanized, G90 Contact