Max, Here is the Para-15 taper: Dry tip: 0 "-.070",5"-.086", 10"-.107",15"-.123",20"-.138", 25"-.157",30"-.170",35"-.189",40"-.208",45"-.225",50'-.230" Wet tip: 0"-.078",5"-.094",10"-.112", 15"-.128", 20"-.141", 25"-.164", 30"-.182", 35"-.195", 40"-.208", 45"-.225", 50"-.239" Butt: 0"-.239". 55"-.252", 60"-.260", 65"-.268", 70"-.277", 75"-.288", 80"-.300", 96"-.300" As you can see the dimensions are in inches not decimals. I hope this helps. Regards, Hank Woolman.