Click image to view full size image
A Removable dental Partial Denture (RPD) With Wire Clasp is a removable dental prosthesis that utilizes metal wire clasps (e.g., cobalt-chromium alloy, stainless steel, or precious metals) for retention by engaging undercuts on natural teeth.
link:https://www.szbestdentallab.com/removables/dental-acrylic-dentures/
Dental Removable Partial Denture With Wire Clasp