Description
True Blue vials are accurate to within 0.0005in. per inch in all 10 level and plumb working positions. Heavy-duty extruded aluminum frame Strong-holding magnetic edge. V-grooved working edge fits on pipe or conduit. U.S.A. True Blue Vial, superior accuracy, durability, visibility Heavy-duty extruded aluminum frame Strong-holding magnetic edge Advanced concentric molding guarantees perfectly formed vials Vials read plumb, level and 45° Model Number: EM81.9. Age Group: adult.