We inquire 8.000.000 pieces of PET Preforms, which have tread for Caps �wist-Off�The material of the Caps will be tinplate with 6-Jaws.We want two (2) models of Preforms :1 ) Mouth opening diameter = 58 mm Weight approximately 42 grams2 ) Mouth opening diameter = 78 mm Weight approximately 52 gramsPlease study the pictures attached, in order to see the �wist-Off �thread, that we inquire in the Preform