Mars Comfort 551 Precision Compass Set

The Mars Comfort 551 Precision Compass Set is an all-metal spring-bow compass featuring a center wheel that delivers precise settings and prevents unintended setting adjustments. It provides a maximum diameter of 10 3/8'' (265mm) and was designed with an interchangeable lead part and nickel finish that resists rust.

• A compass with a center wheel that prevents unintended setting adjustments
• Capable of providing a maximum circle diameter of 10 3/8”
• Features a nickel finish that resists rust and stains
• Includes a spare lead tube and comes in a plastic wallet