Upgrade your math supplies and technical drawing collection with the Mr. Pen 9-Piece Metal Geometry Set, a versatile drafting tool set designed for geometry, classroom learning, technical drawing, engineering, architecture, design, and precision layout work. This comprehensive set includes nine essential tools, including a 12-inch ruler, 6-inch protractor, 45-degree set square, 30/60-degree set square, compass, lead refills, extra needles, and screws. Each primary drafting tool is constructed from metal to provide a sturdy feel and dependable performance for regular measuring, drawing, angle marking, and geometric layouts. Clearly printed inch and centimeter measurements make the ruler and other measuring tools easy to read while working on school assignments, technical drawings, architectural sketches, or professional projects. The compass helps create circles and arcs, while the included set squares support accurate angle construction and straight-line drawing. With its practical combination of measuring and drawing instruments, this geometry set is suitable for students, teachers, engineers, architects, designers, artists, and hobbyists who need reliable drafting accessories in one convenient collection. The Mr. Pen geometry kit is designed to provide useful tools for both educational and professional applications. The 12-inch ruler offers convenient length measurement and straight-edge drawing, while the 6-inch protractor helps measure and construct angles. The 45-degree and 30/60-degree triangles provide commonly used angles for geometric construction, technical layouts, and drafting exercises. The metal compass provides controlled circle and arc drawing, and the included replacement leads, needles, and screws provide useful accessories for continued use. This technical drawing set can be stored conveniently with other school supplies, office materials, studio equipment, or drafting tools. Whether you are studying geometry, preparing an engineering drawing, creating an architectural layout, teaching mathematical concepts, or completing design projects, this set provides a practical assortment of drafting tools for everyday precision work. Its compact package makes it suitable for classrooms, home study areas, offices, workshops, and professional design environments. Key Features: 9-Piece Geometry Set ? Essential measuring and drafting tools Metal Construction ? Sturdy design for regular drafting use 12-Inch Ruler ? Clear inch and centimeter markings 6-Inch Protractor ? Useful for measuring and drawing angles Multiple Set Squares ? Includes 45 and 30/60 triangles Specifications: Product Type: Metal Geometry Drafting Set Number of Items: 9 Color: Black Material: Metal Ruler Length: 12 Inches Protractor Length: 6 Inches Set Squares: 45 and 30/60 Included: Compass, Lead Refills, Needles, Screws Item Weight: 7.4 oz Model: LYMR005M520NP Package Dimensions: 12.8 x 5.94 x 0.75 inches Applications: Math, Geometry, Drafting, Engineering, Architecture, Design The Mr. Pen 9-piece metal geometry set combines a ruler, protractor, set squares, compass, and useful replacement accessories for accurate measuring, geometric construction, technical drawing, and drafting. This versatile math and drafting tool set is ideal for students, teachers, engineers, architects, designers, and hobbyists working on classroom assignments, technical layouts, architectural projects, and everyday precision drawing.