Ritchie Kayak Compass - Bulkhead Mount - White Dial. 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 Operating Range 100percent Repairable Exclusive 5-Year Ritchie Warranty Package Contents: Ritchie V-527 Kayak Compass Ritchie V-527: V-527 Kayak Compass - Bulkhead Mount - White Dial