Kayaker Compass. Kayaker Compass Features: CourseMinder Movable Bezel with Heading Memory Indicator Remembers the Way… So you don’t have to!, 2-3/4″ Direct-Reading Dial, Low Mounted Height, Surface Mount, Easily Installed. , Extended Temperature Operating Range with Composite Construction & Diaphragm, Exclusive DirectiveForce Magnets, Hardened Steel Pivot and Sapphire Jewel Movement, No Wiring or Power Needed, Twist On/Off for Easy Removal for Security, Transport & Storage, Exclusive 5-Year Ritchie