off-the-shelf
adjective /ˌɒf ðə ˈʃelf/
  /ˌɔːf ðə ˈʃelf/
[only before noun]- (of a product) that can be bought immediately and does not have to be specially designed or ordered
- off-the-shelf software packages
 
Oxford Collocations DictionaryOff-the-shelf is used with these nouns:- component