Johnson Aluminum Rafter Square 7 in.

Engineered for carpenters, framers and DIY enthusiasts, the Johnson Aluminum Rafter Square delivers precise layout and cutting on every job. Its solid aluminum body with CNC-machined edges ensures accuracy, while the durable chip-resistant coating stands up to daily wear. Whether you’re marking hip, valley or jack rafters, using it as a saw guide or laying out stair stringers, this compact 7 in. square offers the versatility and reliability you need on the worksite.

With deep, cast-in graduations that never peel or fade and convenient scribing notches, you’ll enjoy clear measurements and effortless marking on any lumber. Integrated protractor scales and board-dimension markers for 2×4 material (1½″, 3″, 3½″) make cross-cuts, angled cuts and rip cuts faster and more accurate—no additional tools required.

Key Features

• Thick, straight edge doubles as a saw guide for cross and angled cuts
• Scribing notches streamline rip cuts and marking
• Scales for hip, valley and jack rafters simplify roof layouts
• Board-dimension markers for common 2×4 thicknesses
• Deep, cast-in graduations resist wear, fading and smudging
• Durable, chip-resistant finish protects against jobsite abuse