
Best Quality Brass Case Nautical Clinometer. Brass Case with Corrosion Resistance: Made of brass and alloy, hand-polished with ultra-hard plating that never tarnishes in marine environments. Customizable Case Models: 7 case models available (GL120 to GL198) with optional colors including polished brass, chrome, and stainless steel. Precision Brass Movement: All parts made of brass with RoHS certificate, pre-adjusted in factory, and self-lubricating without oil. Impact Absorption Design: Equipped with cushions to absorb pendulum impact and a fixer for safe transportation. Flexible Waterproof Options: Semi-waterproof models resist splash; optional waterproof structure with water-tight seal available for specific models. Comprehensive Warranty Coverage: 2-year warranty on movement and 10-year warranty on case finish, plus lifetime servicing for both. Accurate Measurement Range: Clinometer movement range of -50 to +50 degrees with a tolerance of +/-1.5 degrees. Maintenance-Free Finish: The finish is maintenance-free and resistant to tarnishing when exposed to marine environments for long periods.