Simpson 5 1/8 x 12 Concealed Top-Flange, Face-Mount Hanger HUC5.25/12TFThe 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. HUC5. 25 12TF Joist Size. 5 1 8 x 12 Ga. 12 W (in.) 5 1 4 H (in.) 12 B (in.) 2 1 2 TF (in.) 2 1 2 Coating Material. Zinc Galvanized, G90