Marine Navigational Brass Divider Compass Nautical Round Map Divider With Case This is a Traditional British Single Handed Divider is made up of solid brass Every seasoned Navigator has a pair of there single handed brass dividers on his chart table. This Instruments has many functions, by using this divider, any distance picked off a chart between divider points can be immediately converted to unknown speed or time. Material : Brass Color : Brass Chrome Size : 8" Inches