Description from Crown City Hardware
Black Classic Crystal Hex Knob (1D)
Classic Crystal Hex Knob. Small: 1″. Medium: 1.25″. Large: 1.5″. Specify brass or nickel screw and color. For cabinets over 3/4″ thick order 227M screws in 3″ length. Each. Please note that since the knobs are hand cut; you will likely notice slight variations from piece to piece. This is to be expected and is not considered a flaw. Variations may include bubbles; lines on the face of the knobs and slightly off-center holes.
Prices range from $8.99 to $17.99