HIGH VISIBILITY: Easy-to-read high-visibility bubbles at 3 different degrees, 45°/90°/180° for measuring. Top view vial window can help observe in tight space MAGNETIC EDGE: Strong magnetic edge can provide superior holding strength and hold the torpedo level firmly to metal surface. Features hanging hole for easy storage EASY TO CARRY: The 9 inch small size torpedo level is lightweight and easy to carry, you can put it in your tool bag, drawer and toolbox QUALITY CONSTRUCTION: Aluminum alloy frame for great durability. The bottom V-Groove edge will fit contour of curved place WIDE APPLICATIONS: Perfect for woodworking, decoration, pendant installation, related work for aligning, door and window level measurement