... L/C opened. ISO Certification FAQ(Frequently Asked Questions)1. How to place an inquiry or order? Answer: ... 1/2”),142.8mm(5 5/8”),149.2mm(5 7/8”)152.4mm(6”),155.5mm(6 1/8”),158.7mm(6 1 ... /4”), 165.1mm(6 1/2”)190.5mm(7 1/2”),193.6mm ... 2”),222.2mm(8 3/4”) 241.3mm(9 1/2”),244.4mm(9 5/8”),250.8mm(9 ... 8”),295.3mm(11 5/8”)311.1mm(12 1/4”),346.0mm (13 5/8”),349.2mm(13 ...