Laser etching process provides superior, permanent readability in any light condition. Thick, matte 6063 aluminum provides a safer cutting guide. Anodized finish will not rust or corrode. Graduations will not fade or change over time. Increased heel width for cutting deck boards. Includes instruction manual with complete rafter tables. No. E2994: Size: 7 In., Graduations: 1/8 In., Material: Aluminum, Pkg Qty: 1, Package Type: Card