A Stable Compass With Excellent Dampening, Perfect For Small Boats In High Speeds And Rough Conditions. The Construction Of The Compass Card With Clear Scales And Rapid Readability Are Advantages That Make This Compass Excellent For High Speed Navigation And Rough Seas. The Integrated Illumination In Makes The 85 E Suitable For Night Navigation. The Flat Bottom Design Enables Flush Installation Without Making Large Holes In The Boat. A Common Configuration Is Two 85 Compasses, One On Each Rail.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }