4" x 10", 14 Gauge Steel, Face Mount Joist Hanger Designed For Schools & Other Structures Requiring Additional Strength, Longevity & Other Safety Factors, Can Be Installed Using Round Holes Only, Or Filling Round & Triangle Holes For Maximum Load Values, 14 Gauge Galvanized Steel, Minimum Value Install With Fourteen 16D Nails Into Header, Six 10D Nails Into Joist, Maximum Value Install With Eighteen 16D Nails Into Header, Ten 10D Nails Into Joist.
