Magnetic Centering Head with Vial, 1 in and Larger Pipe Capacity, Small ORS NASCO Uses only FDA ingredients Ensures safety Uses only FDA ingredients Ensures safety in areas where incidental contact with food can occur High degree of water resistance Excellent corrosion protection Very good load capacity the same material used in our welding helmets Exceptionally lightweight and comfortable Allows space for air circulation to prevent fogging Accommodates a full selection of standard size windows One piece Y shaped body design with magnetic legs Built in dial with 2 1 2° increments that turns 360° Hardened center punch marks set position by taping with a hammer Used to establish and mark a centerline at any angle around circumference on a pipe or tank or as a protractor level Excessive heat can damage magnets