ニッケルめっきであれば
ニッケル鍍金であれば
nikkerumekkideareba

Noun
Da Copula
no-Adjective

The "-eba" conditional form ("if/when…") of ニッケルめっき

1. If nickel-plated; If it were nickel-plated

Ba Conditional
Usually Written in Kana