Simpson Strong Tie MSTI36 12-Gauge 36 in. Strap 10-per box High-capacity steel tension strap for use on wood i-joists as well as for vertical use on composite wood products where applicable Designed with a 3 in. Nail spacing to minimize the chance of splitting the wood Staggered nail pattern reduces wood splitting Made from 12 gauge steel Galvanized for extra corrosion resistance