PLANE Minimalist Knob - Brass
https://plankhardware.com/collections/knobs/products/plane-minimalist-cabinet-knob-brass 
LUNA Round Halo Knob - Brass
https://plankhardware.com/collections/knobs/products/luna-round-halo-cabinet-knob-brass 
HALLEY Sphere Knob - Brass
https://plankhardware.com/collections/knobs/products/halley-sphere-cabinet-knob-brass 
LINTON Loop Ring Pull - Brass
https://plankhardware.com/collections/knobs/products/linton-loop-cabinet-ring-pull-handle-cabinet-knob-brass