Kayaker CompassFeatures: 2-3/4" Easy to Read Dial Adjustable up to 45 degrees Easily Installed, Fits 2.94" (7.46 cm) Mounting Hole Built-in Compensators to Easily Adjust for Deviation Scientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial Movement Powerful DirectiveForce Magnets for Fast Heading Lock-on High Temperature Composite Construction for Extended...