Adapter is sturdy, made of metal. It locks on properly and does not wobble. It allows focus to infinity. Adapter will allow to use Tamron Adaptall lenses on Nikon Z series cameras. Adapter does not have any electronic contacts, so it will not communicate with the camera. You will have to adjust aperture and focus manually.
All items come with 90 day money back guaranty.
Shipping is free within USA and $15 via USPS first class mail service worldwide. You can choose faster and more expensive shipping during check out.