"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. Battery Type None, Laser Type Torpedo, Length in. 9, Color Blue, Angle Reference 45, Frame Material Aluminum, Case Included No, Accuracy 0.0005, Magnetic Yes, Battery Included No. 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"
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