Quantity of (25) : Simpson Strong Tie LU210, 2 x 10, Joist Hangers. Fits 2 X 10 Joists Made From 20 Gauge Steel Galvanized For Corrosion Resistance Precision Engineered For Simplicity of Installation and Strength Install with 10d Common Nails Measures approx: 7.82" D x 2" H x 3.31" W