Empire True Blue Heavy-Duty Spirit Torpedo I-Beam Torpedo Level comes with dual-molded rubber endcaps for extreme shock resistance.Empire True Blue Heavy-duty spirit torpedo i-beam level having 9" length is made of extruded aluminum for durability. I-beam level with 3 vials has dual molded rubber endcaps for utmost shock resistance.- Length: 9-inch.- Number of vials: 3.- Vial positions: (1) 45�, (1) Level, (1) Plumb.- Base type: Magnetic, Grooved.- Body material: Extruded Aluminum.- True Blue vials are accurate to within 0.0005-inch per inch in all 10 level and plumb working positions.- V-grooved working edge for pipe work.- Dual molded rubber endcaps for extreme shock resistance.- Silicone coated polyester liner.- Hypoallergenic Adhesive.- Designed to permit skin ventilation and inhibit maceration.- Enhances patient comfort and less chance of infection than with sutures or staples.- Sold as 1 Each.