Amazon!
specific ones in this pic: Mendino Jewelry #8 Men's... https://www.amazon.com/dp/B0191JI9K8?ref=yo_pop_ma_swf
PAURO Men's Stainles Steel... https://www.amazon.com/dp/B076MMY15S?ref=yo_pop_ma_swf
Charlotte Vintage Silver... https://www.amazon.com/dp/B07BPVFYXR?ref=yo_pop_ma_swf