Manufacturer: Hot Knobs (Aquila Art Glass)
Manufacturer Location: USA
Warranty: Aquila Art Glass items are made to order and are therefore Non-Cancelable and Non-Returnable. Defective products will be replaced.
Diameter: 1-1/2" (38mm)
Projection: 1-1/8" (29mm)
Mounting Hardware: 8/32 thread - 1" long screw included
Hole Spacing: single hole