This is hot dipped galvanized mesh cut into convenient widths from 2 to 8 inches. These spools are used in the eves and foundation vents of buildings. Some housing codes in the southern USA require 8 mesh to exclude killer bees. but normally a 2 mesh(1/2 inch hole size) or 4 mesh(1/4 inch hole size) is used to stop small rodents, bats, birds and snakes. We can quickly and inexpensively cut these narrow spools into flat neatly stacked rectangles for your production needs. These meshes are also called bird block
