... x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, ... .5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 ... , also be according to client's requirement and 30, 40, 60mm are recommended,America standard is also available <1'' ... 30/50G255/30/50240100G203/40/100G253/40/100G323/40/100G403/40/100G205/40/100G255/40/10050G203/40/50G253/40/50G323/40/50G403/40/50G205/40/50G255/40/5036050 G253/60/50G253 ...