@@ต้อม_ฟิชออน Hi ; 3/16" is rubber size= to 14mm, it not 16/3 that is Standard, not Metric mm, metric is no devide (/) like INCHES inn - foot Ft - pound lb, in Europe and America they used standard more than metric, Pacific rubber is 3/16 = to 14mm all most, sorry I said this is not a bad way- I just let you know that is Europe& Ameriac used this way (style)and write this way (3/16) kop kun mak 🙏👍👍.