Emtek Conical Knurled modern rosette door knob with Disk Rosette available in 4 finishes.
Knurled Door Knob on Modern Rectangular Rosette – San Diego Hardware
Select Knobs Collection - Passage Disk Rosette with Conical Stem
Emtek Conical Green Marble Knob with Urban Modern Rosette
Emtek - Conical Straight Knurled Door Knob
Emtek Select Conical White Marble Door Knobset w/Wilshire Rosette
Emtek Conical Knurled Door Knob — Lux Door Hardware
Emtek 5112CCKNK Select Knurled Knob With Conical Stem And
Select Conical Straight Knurled Knob
Select Knobs Collection - Passage Disk Rosette with Conical Stem