"navigation ruler"

IMPA 371001/371002 plastic marine parallel rulers in 450mm and 600mm sizes for precise ship navigation and chart plotting. Durable, lightweight plastic construction ensures reliable measuring performance. Stocked ship-store supplier offers competitive pricing, quality guarantees, and rich export experience.

IMPA 371002 Marine Parallel Ruler Plain 450mm engineered for precise ocean chartwork and course plotting. Made with optical-grade acrylic and corrosion-resistant brass arms, ensuring smooth alignment and durable performance on vessel bridge navigation tables.

Durable cast brass flag blocks with semi-circle guard and top eye, available in 32/38/50mm (IMPA 371586/371587/371588). Ideal for shipboard signal flag hoisting. Competitive price, stock available, quality guaranteed per IMPA standards.

IMPA 370345 7x50 marine binoculars with waterproof, floating, and anti-fog features. Includes compass and rangefinder. Made from plastic and rubber in green color, designed for marine ship use.