100% repairable. Ideal for both power and sail boats, easily installed. Features spherical design with fiberglass reinforced bowl, 5" PowerDamp flat dial, brushed stainless binnacles, lightweight SP5C base, full internal gimbals, built-in compensators and high-capacity roller diaphragm for extended temperature operating ranges. 45° and 90° lubber lines on SP5C, for easy reading; 90° only on FB500. Exclusive 5 year warranty.