High Precision Boat Compass Fast response , high sensibility , keep balance individually , precision engineering reading display. Multi Purpose Voyager Boat Compass Built in accuracy compensator to easily adjust for deviation , which makes the reading more precisely. Portable Boat Bracket Mounted Compass With compact size , this compass is very portable , and it is easy to install or use. Navigation Marine Compass Bracket mounted compass , can be mounted on deck allowing compass to remain at proper viewing angle for the accrate directions. Multi-Purpose Car Boat Compass- Made from ABS, this compass is waterproof, corrosion resistant, so that it is very itable for sea boats or marine vehicles.Fit for car, watercraft, boat, caravan and truck. Specifications: Main Material: ABS Color: Black ,White(optional) Bottom Diameter: 6cm ,2.36'' Size: 8 x 7.2cm ,3.15'' x 2.83'' Package Weight: 100g Fitment: For Watercraft , Boat , Caravan and Truck