ARISTO Blackboard TZ Set Square, 80 cm, with Handle, Transparent Plastic (AR1650W)

The ARISTO AR1650W is a high-quality set square and protractor triangle designed for precise technical drawing, geometry, and drafting. Made from transparent polystyrene, it offers excellent visibility of underlying drawings. The triangle features a 16 cm hypotenuse with millimeter scale, a centered zero point, and a fixed ergonomic handle for comfortable use. Bevelled edges allow for clean ink drawing, while hot-stamped markings ensure long-lasting readability. Scratch-resistant and UV-resistant, this tool is ideal for school, office, and professional use.

Advantages

High precision graduation for accurate measurements; transparent material for easy alignment; durable hot-stamped markings; ergonomic handle reduces hand fatigue; bevelled edges for ink drawing; scratch-resistant and UV-resistant for long life.

Suitable for

• Technical drawing and drafting
• Geometry lessons and exams
• Architectural and engineering sketches
• Office and school use

Key specifications

• Product Type: Set Square / Protractor Triangle
• Material: Transparent Polystyrene
• Hypotenuse Length: 16 cm (160 mm)
• Leg Length: Approx. 113 mm
• Scale Type: Millimeter Scale
• Angle Measurement: 0-180 degrees
• Protractor Function: Yes
• Handle Type: Fixed Handle
• Zero Point: Centered
• Bevelled Edges: Yes (for ink drawing)
• Hypotenuse Scale: Yes
• Color: Transparent
• Thickness (excluding handle): Approx. 2 mm
• Graduation Accuracy: High precision
• Markings: Hot-stamped for durability
• Durability: Scratch-resistant, UV-resistant

Recommendations

For best results, use with a sharp pencil or technical pen. Clean with a soft, damp cloth. Avoid exposure to extreme temperatures or solvents.