True Blue vials are accurate to within .00050 per inch in all 10 level and plumb working positions;Heavy duty extruded aluminum frame;Vials read plumb, level and 45 degrees;V-grooved working edge fits on pipe or conduit;Made in USA

• Empire Level E80.9 Heavy Duty Non-Magnetic Torpedo Level, 9-Inch

Empire Level E80.9 Heavy Duty Non-Magnetic Torpedo Level, 9-InchEmpire Level