Simpson Strong-Tie ZMax 8.25 in. H X 3 in. W 16 Ga. Steel Mudsill Anchor (Pack of 50).Mudsill anchors have always been a time saving alternative to anchor bolts, and the MASA anchors provide even greater load carrying capacity alternative for 5 8 in. and 1 2 in. mudsill anchor bolts on 2x, double 2x and 3x mudsills. It also eliminates the need for 3 in. square plate washers for seismic design and, in some cases, has load capacities that meet or exceed the parallel and perpendicular to plate shear capacity of other cast in place