LS90, Adjustable L Angle, Used To Reinforce Angle Connections, Field Skewable 0 Degree To 135 Degree Angle, Bend 1 Time Only, Joist Must Be Constrained Against Rotation When Using A Single LS90 Per Connection, Shipped At 45 Degree Angle, Made With 18 Gauge Galvanized Steel, Install With Twelve 10D Nails.