Product Details:

Gently Curved Sides With a Flat End Surface Will Match Many Decors
Fits 1/4" to 1/2" (6 to 12 mm) Thick Glass

The CRL Flair Style Knob measures 1-3/16 inches (30 millimeters) in diameter, and extends 1-1/16 inches (27 millimeters) from the door surface.
Knob is made of solid brass in your choice of nine finishes.

Color:                            Brushed Nickel
Glass Thickness Range: 1/4 to 1/2 in (6 to 12 mm)
Hole Diameter Required: 3/8 or 1/2 in (10 or 12 mm)
Diameter:                      1-3/16 in (30 mm)

Minimum Order: 1 Each