Product Info Catalog Tools Hand Levels & Measuring Straight Edge, Aluminum, 72-In. Straight Edge, Aluminum, 72-In. Request a Quote UPC: 49448572007 SKU: 540635 Model Number: J72 72" aluminum straight edge, extruded aluminum with clear silver anodized finish, screened, thermal bonded black graduations in 1/8ths & 1/16ths, 2" width. Heavy-duty extruded aluminum straight edge Screened, thermal-bonded black increments Graduations in 1/8", 1/6" Bold, easy to read graduations & numbers Clear protective anodized finish