The THAC is a wood connector designed to support trusses and beams. This versatile U-shaped truss hanger features long, straight straps for applications where the height location of the truss needs to be adjustable. The field-adjustable THAC features concealed flanges for applications in restricted spaces. THAC Galvanized Adjustable Concealed-Flange Truss Hanger for Double 4×22 (Pack of 150).