Its easy to install the black ring knob and Converter Fastener. 
The Converter Fastener will slide on and and stay affixed with tension to your typical cabinetry widths of 3/8 - 5/8 inch thick.   No drilling is needed.  
The Converter Fastener has a screw already embedded.  This allows you to twist the ring knob right onto the screw.  
Note Installation Video shows variety of handle, but the black ring knob will be shipped for this order.  No additional tools needed.
 
No drilling. In seconds, you can install yourself.  
 
***Converter Fasteners are made with recycled aluminum and Made in the USA.
 
Any questions:  Phone or text: 845-419-1417. 
Cabinet knob will be sold with 1 Converter Fastener included.
 
**Woman Owned Business
 
If more cabinet knobs are needed, search online for "black ring knob" at www.BedBath&Beyond.com