... /8"(0.36*12.7,16mm) , BWG27*1/2",5/8"(0.4*12.7,16mm) , BWG25*1/2",5/8",3/4"(0.5*12.7,16 ... ,19mm) , BWG24*5/8",3/4"(0.6*16 ... ,19mm) , BWG23*5/8",3/4"(0.65*16,19mm) , BWG22*3/4",5/4"(0.7*19,32mm) ,BWG21*3/4",5/4"(0.8 ... *19,32mm) ,BWG20*3/4",5/4"(0.9 ...