X-Port Tactician™ Surface Mount Compass XP-98W Tactician Features: 3" CombiDial with Tactical Quadrants show Wind Shifts and Headers CourseMinder™ Moveable Bezel & Heading Indicator Locks-In Rhumb or Lay Lines Forward Lubber Line to Steer Magnetic Courses Compact 4 1/4" Base Diameter Low 2 3/4" Mounted Height Easy to Install, mounting template provided 25 Degree Heel Angle Twist On/Off for Easy Removal High-Visibility Blue 3" dial with Extra Large Numerals 45 Degree Lubber Lines 100% Repairable Exclusive 5-Year Ritchie Warranty