Product Description Johnson Level Tool J48 Aluminum Straight Edge, 48", Silver, 1 Edge From the Manufacturer Extruded aluminum with clear (silver) anodized finish. Screened, thermal-bonded black graduations in 1/8ths and 1/16ths. MEASURING TOOL: This heavy-duty straight edge by Johnson is impeccably designed for carpenters; metalworkers; builders and homeowners to use for a variety of measuring applications. QUALITY MATERIAL: Made in the United States; the Johnson measurement edge features a sturdy and durable aluminum construction along with a clear and protective anodized finish; which protects it from everyday wear and abrasion. PRACTICAL DESIGN: Featuring an ergonomic design; this aluminum straight edge is easy to read with black bold screened and thermal-bonded graduations in 1/8 in. and 1/6 in. The practical design also ensures maximum accuracy and delivers a precise job. EASY STORAGE: The straight edge ruler has a hanging hole on the end; which helps you to keep it organized along with other woodworking tools and equipment. PRODUCT DESCRIPTION: This corrosion-resistant straight edge is 48 in. long and 2 in. wide. It works efficiently as a straight edge guide for different carpentry; installing; surveying and framing applications.