Joist hangers are designed to provide support underneath the joist, rafter or beam to provide a strong a connection. Simpson Strong-Tie offers a diverse line of hangers to handle almost any application with top flange, concealed flange and field-skewable and slopeable options. LUS joist hangers provide a connection between a joist and header. Patented double-shear nailing design provides greater strength with fewer nails Speed prongs for fast and easy installation Angled joist nailing easier in tight spaces Do not bend or remove tabs Nominal joist size: 4x12, 4x14 Made from 18-Gauge steel Galvanized (G90) for extra corrosion resistance Install with 16d common nails