The Universal Hardware Heavy Duty All-in-1 Aluminum Commercial Door Closer UH4071 is a versatile and durable product designed for commercial use. Constructed with high-quality aluminum and metal, this self-closing door closer features adjustable closing speed and latch for customizable options. The silver metallic finish adds a sleek and modern look to any commercial door. With an ANSI Grade 1 rating, this heavy-duty door closer from Universal Hardware is suitable for various commercial applications and ensures smooth and reliable operation. For exterior doors up to 48 inches and interior doors up to 60 inches