Swanson 24 inch Magnetic LED Lighted Box Beam Level, Pro Series Model # BLL24M

Classic box beam design ensures both reliability and durability for a variety of projects Super Bright LEDs simultaneously light all 3 vials which makes it easier to work in low-light and no-light areas It's magnetic, and Swanson's I.M.S. Technology Magnetic System means you have 6 super strong rare earth magnets for extra strong grip on metal 10 Minute Automatic Shut-Off saves battery life Precision-milled, heavy-duty aluminum frame provides maximum design strength Durable block vials are significantly more accurate than standard open acrylic vial - these 3 are accurate to .00050/in. Comfort grips for easy handling The V-grooved edge runs the length of the level - ideal for working with round stock End caps provide maximum shock absorption