WHEATON® Crimpers and Decappers, DWK Life Sciences. Supplier: DWK Life Sciences (KIMBLE) Description: These crimpers are used for flip cap seals and for aluminum seals sizes 16.5, 28.5, and 30 mm. Certificates. ,10816-282CS,26676-406CS,14217-400CS,26676-426CS,14217-402CS,26676-413EA.