... SURFACE TREATMENTMini/regular/big/zero spangle, ,Chromate treatment/ chromate-free treatment/ untreated Unoile/ oiled ,TENSION LEVELLERT SKIN ... coating…Mini/regular/big/zero spangle, ,Chromate treatment/ chromate-free treatment/ untreated Unoile/ oiled ,TENSION LEVELLERT SKIN ... Mini/regular/big/zero spangle, ,Chromate treatment/ chromate-free treatment/ untreated Unoile/ oiled ,TENSION LEVELLERT SKIN ...