Great for construction projects, this composite rafter square is bright yellow making it easy to find in your workshop or on a job site.  Also known as a triangle tool or carpentry square, this economical square has ALL the same features as the aluminum Swanson Speed Square that people have trusted for about 100 years.  Because it's made of non-marring composite material, this speed square is especially great for use with vinyl siding and other delicate materials, since it won’t mar soft finishes.  Made of lightweight, high-impact polystyrene, it’s not just “a plastic square” – it’s resilient and durable – and you can use it as a Try Square, a Miter Square, a Line Scriber (1/4 inch scribe guides give you excellent scribing options), a protractor – even a saw guide! 
 This lightweight version of aluminum Speed Square is essential for every carpenter, construction professional, roofer, and DIYer
 Use it as a try square, miter square, saw guide, line scriber, and protractor
 Includes 1/8 inch spaced scribing notches that are perfect when marking the most common and popular stud widths
 Useful for determining and marking angles and making square cuts on boards
 Made of a lightweight, durable structural composite called high impact polystyrene – so it’s not just a “plastic” square
 Our unique Diamond cutout makes for easy rafter seat cuts when you’re taking on big construction work
 And you have all the gradations you need for marking common, hip, valley, and jack rafters
 This Speed Square offers an easy at-a-glance way to determine out-of-square corners, angles, and more
 The beveled edge ensures ease of reading and better, even more accurate marking
 The 8 inch leg—perfect for siding
 With all these great features, this Speedlite Speed Square belongs on every tradesman's tool bench
 This hand tool square is a Speed Square, also known as a rafter square type
 Features: Accurate Measurement, Easy To Use, Easy To Read, Durable, Lightweight, Quick Measurement
  Manufacturer Part Number: T0119
 Assembled Product Weight: 0. 25 lb
 Manufacturer: Swanson Tool Co. , Inc. 
 Assembled Product Dimensions (L x W x H): 8. 13 x 0. 88 x 8. 00 Inches