Simpson Strong-Tie Tension Tie 12-3/8" L X 2-1/2"W 11 Ga 11 Gauge 2-1/2"W x 12-3/8"L x 1-3/8"CL 7/16" Seat Thickness and 5/8" Anchor Bolt Diameter Use with 10d x 1-1/2" or 16d x 2-1/2" Fasteners Zinc galvanized finish containing 0.90oz of zinc per square foot of surface area (total both sides)