Extruded aluminum I-beam frame
Black anodized finish
Computer machined level edge
Patented, magnified top-read window
Full-length magnetic strip
Lifetime Accuracy Warranty: Johnson Level warrants this product against defects in material and workmanship for life. The company will replace or repair the product if it fails under normal use. Bent level frames void warranty. This warranty is limited to the repair or replacement of the product only.