With this snap on grade rod level AdirPro Continues to live up to their goal of providing quality surveying products for affordable prices. Technical The AdirPro 710-42 level fits with both round and rectangular grade rods. It can accommodate any grade with a diameter of 1"-1.25". The sensitivity is at a standard 40 minute. The AdirPro adjustable grade rod level is lighweight. At 0.8 ounces, it has a handy design, so you can easily carry it anywhere without any hassle. Construction Made of durable aluminum, this AdirPro grade rod level is durable and can withstand the standard wear and tear of a typical jobsite. It also has a protective covering to help prevent scratches, with the top mounted vial adjustable for easy viewing and convenience. This level tool is ideal for home furnishings, home improvement and related work for leveling such as measuring locations on a wall, and space between hangers. It is also used to adjust the factory machinery and equipment level.