Remember when you had all the right angles. It's hip to be square with the WEN Magnetic Rafter Square. This versatile tool is perfect for dimension marking, framing, stair layout, and other carpentry applications. The extendable ruler unfolds for measurements up to 12 in. L, with an internal magnet to keep it from opening between uses. The laser-etched degree and ruler markings maximize accuracy and speed during operation, while the sturdy aluminum construction provides a reliable straight edge that won't bend or warp. The included drawing needle unscrews from the base of the rafter for etching lines and markings into your workpiece. The anti-glare finish helps users easily read the square's various scales. The helpful rafter conversion table provides common conversions required for framework. It's about time you knew your angles with the WEN Rafter Square. Remember when you had the perfect tool for the job. Remember WEN.