This Vintage Hardware glass knob has an 8/32" threaded metal insert inside the knob. The screw is not visible from the top of this knob, and there is no metal base showing. A good choice when you want the most wood or cabinet to show.
These make impressive bathroom or kitchen cabinet knobs.
We're seeing designers use these as robe hooks, too!
Top Diameter: 1 ¾"
Base Diameter: 1 3⁄8"
Height: 1 3⁄8"
Mounting screw is supplied.