The MST is designed to resist tension loads in floor-to-floor and other applications. This high-capacity strap features a dense nailing pattern and can be installed with either nails or bolts. The MST is a load-rated, precut strap with the correct thickness and number of fastener holes for quick installation and optimal performance, and is suitable for connecting double or greater 2x members. MST 37-1/2 in. 12-Gauge Galvanized Medium Strap Tie (Pack of 10).