The Schlage Orbit Bright Brass Bed and Bath Knob is perfect for use on doors where locking is needed. The Orbit knob exemplifies minimalist style with its strong, spherical shape and uncomplicated design. When finished in Bright Brass, the knob takes on a warm golden sheen that adds a vintage appeal. Plus, its been designed and tested with strength and durability in mind. Size: 4.375 In.