Brass Compass Chart WeightWeems & Plath The compass chart weight is a working, liquid filled compass encircled in a forged brass ring. Each chart weight is brushed and lacquered brass that will not tarnish or show fingerprints. The bottom of each weight is felt lined to protect the surface it rests on and to prevent slipping. Each chart weight comes gift-boxed suitable for presentation purposes. The Compass Chart Weight is a working liquid filled compass that is ideal for holding down charts on the boat or for use as an elegant paperweight on your desk. Constructed of a high-quality forged solid brass ring, this desk compass is lacquered so it will not tarnish or show fingerprints and has a felt bottom that protects the surface and prevents sliding. The Compass Chart Weight is packaged in a black velvet-lined presentation gift box. Our in-house engraving service is available to provide custom personalization.