Swanson 24" Light Box Beam Level

Model No. BLL24M 24" length Super Bright LEDs simultaneously light all 3 vials for low-light areas Durable block vials accurate to .00050/in. Ruler measurements in centimeters & inches V-grooved for working with round stock Vials accurate to .029°/.00050 in./in. Shock resistant rubber end caps Product Description Specs The "Lightning" Level combines Swanson's professional series box beam level design with the power of LED lighted technology. With the use of super bright LEDs, this professional box beam level directly lights all three vials, providing a solution to a common problem: accurately finding level in low-light spaces. The BLL series offers a unique 3-vial Lighted System that is constructed using a single electronic mechanism (on / off button). The on / off mechanism is durably installed into one of the "SuperShock" end cap and is powered by two AAA batteries. In addition to the 3-vial Lighted System, the "Lightning" levels also contain a patent-pending auto-shut