Kit de géométrie circulaire professionnel (7 pièces) : 2 compas, rallonge, adaptateur, règle, taille-crayon, mine pour les mathématiques, l’ingénierie et l’architecture.

This seven-piece professional compass and geometry tool set meets all your needs for precise technical drawing, mathematical applications, and creative projects. The set includes two high-quality zinc alloy compasses, an extension bar for drawing larger circles, a universal adapter for various pens, a ruler, a pencil sharpener, and pencil leads. All tools are neatly stored in a sturdy and durable case for easy carrying and organization. This set is suitable for students, teachers, engineers, architects, and anyone who needs reliable and precise tools for drawing circles and shapes. Product Features and Advantages: Two professional zinc alloy compasses, durable, lightweight and portable. A fine-tuning idler wheel allows for precise adjustment and prevents accidental movement. A flexible lever ensures accurate and convenient operation. Adjustable compass feet meet various drawing needs. An extension rod allows drawing large circles up to 265 mm in radius. A universal adapter is suitable for various types of pens. Ideal for students, teachers, engineers, architects, and technical draftsmen. Equipped with a sturdy and durable storage box for safe storage and transportation. Specifications: Compass Material: Zinc alloy. Maximum radius of the large compass: 143 mm (265 mm including extension rod). Millimeters (including extension rod 265 mm) Compass maximum radius: 57 mm Compass maximum radius: 57 mm Adapter pin maximum diameter: approx. 130 mm Adapter pin maximum diameter: approx. 130 mm Number of parts: 7 Number of parts: 7 Items included: 2 compasses 1 extension rod 1 universal adapter 1 ruler 1 pencil sharpener 1 pencil sharpener 1 pencil lead 1 pencil lead