Freemans 9" Inch Heavy Duty Magnetic Torpedo Level w/ Aluminum Endplates - 3 Vial Heavy Duty Carpenters Professional 3-Position Angled Bubble Vials and Magnetic Base, Contractor Approved Superior accuracy, durability, visibility, Heavy duty with high-impactextruded aluminum endplates to protect from impact and drop. 9" Torpedo Level with Magnetic Base. Strong full length holding with v-groove to hold the level in place on pipe or conduit Strong holding magnetic edge for attaching to any iron surface. Advanced concentric molding guarantees perfectly formed vials. 3 vials Vertical, Horizontal, Diagonal. 360 degree-reading acrylic barrel vials. Level vials are top-reading.