Don't just pick based on the sample. For busy bars or barbershops, you need R10...

https://www.mediafire.com/file/bop8farvnre63ap/pdf-12135-34557.pdf/file

Don't just pick based on the sample. For busy bars or barbershops, you need R10 for dry spots and R11 or R12 for wet zones to stop slips. Avoid the cheapest quote every time