TrigJig | RSA300 V2 Adjustable Rafter SquareThe RSA300 Adjustable V2 Rafter Square is a large 300mm Rafter Square. With enhanced features, we've created it to be top of its class when it comes to design, build quality, usability and style. As the bigger brother to the RSA180 Adjustable, it's ideal if you work with big timber. Feature packed with several marking gauges and parallels, the RSA300 Adjustable can be used in many carpentry and fabrication projects. Though its speciality is for