Bow Dividers 175 mm — Blundell Harling

Solid Brass Single-Handed Divider • Traditional Chartwork Tool

The Blundell Harling Bow Dividers 175 mm are a classic navigator’s instrument, purpose-built for accurate chart plotting and distance measurement. Traditionally styled and crafted with a solid brass body and stainless steel points, these dividers deliver dependable precision with the tactile confidence of a time-tested design.

Ideal for nautical charts, pilotage work, and seamanship training, the single-handed “bow” mechanism allows smooth, controlled adjustments—perfect for frequent use at the chart table.

🧭 Key Features

• 📏 175 mm (7″) span — a practical size for most nautical charts

• ✨ Solid brass construction — durable, corrosion-resistant, and classic in appearance

• 🛠️ Stainless steel points — sharp, hard-wearing tips for precise marking

• 🤲 Single-handed bow design — quick, accurate adjustment with one hand

• ⚓ Traditionally styled — mirrors the tools used by generations of navigators

• 📦 Supplied in a blister pack — protected and ready for use

⚓ Built for Accurate Chartwork

Brass has long been the material of choice for navigation instruments thanks to its strength and resistance to marine environments. Paired with stainless steel points, these dividers maintain accuracy over time—whether measuring distances, stepping off courses, or transferring positions between chart features.

The bow-style adjustment offers finer control than simple hinged dividers, making it especially useful for repetitive plotting and instructional use.

📐 Specifications

🎯 Ideal For

• ⛵ Sailors & offshore cruisers

• 🧭 Navigation students & instructors

• 📚 Chart plotting & passage planning

• 🎁 Traditional nautical tool kits

The Blundell Harling Bow Dividers 175 mm are a reliable, traditional choice—accurate in use, durable in construction, and timeless in style.

Add a classic chartwork essential to your navigation kit and plot with confidence.