Empire EM41.48 48″ Heavy Duty Magnetic Level for $15.79 or $22.78 Shipped

Level Best 6″ Corner Dual Bubble Level for $15.79.  Order online for in-store pickup at Sears to lock in the price and save on shipping.  Otherwise, shipping is $6.99 for a total of $22.78 shipped, or free on orders over $59.  Here is a screenshot for your reference. It has an anodized I-beam frame with shock absorbing end plates, magnetic edge, top reading window, and is accurate to within 0.00050″ per inch in all 10 level and plumb working positions.