ACCURATE ANGLES: Adjustable set square designed for precise 90° & 45° angles; ideal for woodworking, carpentry, drafting & construction projects requiring accurate measuring, marking & straight line layout work. PROTECTIVE COVER: Includes storage pouch to help protect the clear acrylic tool from scratches, cracks or damage; convenient for transport between classroom, workshop, office or home improvement projects. SEE-THROUGH DESIGN: Made from 2.8 mm thick transparent acrylic with smooth bevel edge; allows clear visibility of paper, wood, drywall or board beneath while easy-to-read markings support accurate measurement. SCHOOL & WORK: Whether used for DIY, in a GCSE math classroom or a professional workshop, this set square is a useful addition to any math set, drawing kit, or carpentry tool collection. FOR WOODWORKING, DRAFTING & CONSTRUCTION: Ideal for measuring, marking & layout work; suitable for carpenters, architects, engineers, builders, designers & students.