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The BLACK DECKER 46-071 is a premium aluminum layout square engineered for accurate, repeatable layout and cutting of common, valley, hip, and jack rafter cuts used in roof framing. Built from aluminum with a black finish, this square delivers the rigidity and durability needed for job-site use. At 8.000 inches in length and 7.500 inches in width, it provides a stable reference edge for marking precise angles on dimensional lumber. Weighing just 0.490 pounds, it is light enough to carry on the roof without fatigue. Licensed carpenters, framers, and roofing contractors rely on this tool for consistent layout work across full roof systems.
This layout square is suited for residential and light commercial roof framing projects where consistent rafter layout is required. It handles the full range of common rafter cuts as well as the more complex angles involved in valley, hip, and jack rafters. The 1/8 range graduation supports fine layout increments, making it useful across a wide variety of roof pitches. It fits naturally into the workflow of carpenters who need a single tool to mark both plumb and seat cuts without switching instruments.
Designed as a general-purpose rafter and layout square for use in residential and commercial roof framing applications requiring repeatable rafter angle layout.
This tool is used by carpenters and framers during rough framing and roof construction. No power source or fastening is required. Keep the reference edge clean and free of debris to maintain accurate readings. Always verify layout marks against plan dimensions before cutting.
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