Johnson 400 x 600mm Big J Pro Aluminium Framing Square

Johnson's 400mm x 600mm metric framing square is everything a builder needs to get the work done quickly, efficiently and accurately. It includes graduations in 2mm increments as well as metric conversion tables for rafter work. And reading those graduations and conversion tables is especially easy thanks to Johnson's laser-etched EZ Read™ text. This framing square's aluminium construction makes it conveniently lightweight while also keeping the tool safe from rust. This Johnson framing square is a must-have for any carpenter or builder - it is handy for framing, layout, rafter and stair work, finding and establishing right angles, marking cut-off work and more!