9 Leveling and layout devices and accessories, namely, level indicators, being more specifically, carpenter levels, level cases, bubble line levels, cross-check plumb levels, post levels, bullseye levels, pocket levels, torpedo levels; stair and square level gauges; plumb vial levels, namely, circular plumb vial levels, curved plumb vial levels, barrel vial levels, multi-plumb vial levels; magnetic stud finders; measuring tools, namely, tape measures, measuring tapes, carpenters rules, yardsticks, meter sticks, angle locators, pitch and slope indicators in the nature of angle finders, contour length measuring gauges; surveying instruments in the nature of grade rods, laser poles, laser mounts, tripods, tripod adaptors, level plumb mounts, laser stands, surveying levels, digital surveying levels, builders levels, sight levels, clamps for laser detectors, digital levels, box levels, angle locators, pitch locators, protractors, and adjustable t-bevels