The Rocky Mountain Goods Commercial Door Closer is designed for medium to heavy-duty applications in high-traffic areas. Crafted with a durable aluminum body and steel arm, this door closer offers excellent corrosion resistance and long-lasting performance. Its heat-treated steel rack and pinion mechanism ensures smooth, reliable operation, while the stable hydraulic fluid allows for consistent performance in all climates. Featuring an adjustable back check and a universal non-handed design, this door closer is perfect for left- or right-handed installations. ANSI Grade 1 and ADA-compliant, it provides optimal functionality and durability for commercial and industrial environments.