Larry Potterfield, CEO and Founder of MidwayUSA, shows the viewer how to properly level crosshairs using the Wheeler Engineering Level Level Level. This tool, combined with proper technique, will guarantee your crosshairs are perfectly level every time. This system uses a pair of precision levels that allows the user to level the crosshairs of a rifle scope in relation to the raceways of the action. This system is quick, precise, and eliminates the problem of canted crosshairs completely. When used in conjunction with the Wheeler Engineering FAT wrench, screwdriver set, and ring lapping kit, anyone can professionally install and level a rifle scope.