Appia Work is designed exclusively and specifically for the working areas The frame, as with all Appia chairs, is in die cast aluminium, an amazing, durable and fully recyclable material that provides lightness, strength and stability. with and without armrests, for use alone or in groups, available with two different bases: a 4-spoke trestle with feet or wheels, and a 5-spoke base with wheels and a gas-lift height adjustment mechanism.