Stanley 42-328 48-Inch I-Beam 180 Level Rigid I-beam cross-section features low-profile, shock-absorbing end caps for durability 180-degree rotating view for a range of situations Measuring scale printed directly on the level eases layout work Powder-coated frame withstands nicks and offers a comfortable hold. Clear-acrylic vial covers for easy readability Limited Lifetime Warranty Rigid I-beam cross-section features low-profile, shock-absorbing end caps for durability 180-degree rotating view for a range of situations Measuring scale printed directly on the level eases layout work Powder-coated frame withstands nicks and offers a comfortable hold. Clear-acrylic vial covers for easy readability Limited Lifetime Warranty