Fully Finished 4 Panel Internal Industrial Studio Door in...Product Overview Add a touch of industrial elegance to your interiors with the Premium Fully Finished 4 Panel Internal Studio Door. Finished in a distinctive jet black, this door is designed to create a sleek and modern aesthetic. Constructed from durable timber, it is supplied fully finished, eliminating the need for painting or staining. Exclusively compatible with Studio hardware and handle packs, this door ensures a cohesive and polished design.