From the Manufacturer
I-beam/box-beam construction. Level accuracy of 0.001 in. /in. (0.1 mm/m). Powder-coated frame withstands nicks and is comfortable in hand. Machined leveling surfaces improves accuracy. Low-profile, shock-absorbing end caps stand up to heavy use. Easy-view vial covers designed for effortless reading. Rare earth magnets, which are twice as strong as basic strip magnets, are built into the level for stability.
Product Description
43-024 Model Code: AA (part# 43-024) This item features: -Center top read vial for improved visibility. -Dual machined leveling surfaces for improved accuracy. -Durable I-Beam construction. -Accuracy: 0.001 in/in. -Body Material: Aluminum. -Type: Builders Spirit Level. -Price is for 1 Each. Model Code Model Description AALength:24 in, No. of Vials:3, Vial Positions:1 Level, 2 Plumb ABLength:48 in, No. of Vials:3, Vial Positions:1 Level, 2 Plumb ACLength:72 in, No. of Vials:5, Vial Positions:2 Level, 3 Plumb