Product Description Schlagle Stratus Passage Lever, Satin Nickel, Passage Set 2-3/8"-2-3/4" Adjustable Backsets Stratus Knob Adjustable Latch Residential Grade-3 Satin Nickel . The country of origin is China . From the Manufacturer The hall and closet Stratus knob design features simple lines to a classical shape for a wide range of decor styles. The warm brass undertones of Antique Brass express a time-honored appeal. Schlage has built a legacy of providing the highest level of security to homes and businesses. Install a Schlage, and you install nearly a century of total dedication to security, quality and innovation.