Moeller ST2000-HD Offshore Standard Seat w Molded Arms Moeller Offshore seats feature high-impact, seamless, LLDPE double-walled, UV-stabilized seating construction which stands up to punishing marine environments.Includes seat and mounting plate.This is a standard seat with molded arms-an industry favorite. Durable injection-molded mounting plates fit standard-hole-pattern slider or swivel Corrosion-resistant composite seat frame OEM marine-grade vinyl UV-resistant Mildew-resistant thread Deep