Inspired by nature AERO Black Forest features an aluminum body with a wood-inspired surface created through hydro dipping, offering the look of wood with a smooth, warm, and refined touch. Retaining the iconic AERO shape, it combines natural inspiration with precision German design. Fountain pen with finely chiseled and polished stainless steel nib Aluminum body Hydro-dipping wood-inspired surface Exclusive closing system 'Soft sliding click'.