<https://cardontools.com/shop/oneway-3-4-10-rh-stronghold-adaptor-no-0338/#product>
<http://schema.org/description>
"Our Adaptors are designed for use with the following products:\r\n\r\n \tStronghold Chuck\r\n \tRotary Adaptor (Vacuum System)\r\n \tDrum Chucks (Vacuum System)\r\n \t10\" Faceplates\r\n \tVersa-Mount™ - Universal Coupling\r\n\r\nImportant Note: The adaptors for the Rotary Adaptor, Drum Chucks, and 10\" Faceplates are the same adaptor used with the Stronghold Chuck."
<https://cardontools.com/shop/oneway-3-4-10-rh-stronghold-adaptor-no-0338/>