You are looking for a premium tattoo grip made of stainless steel or aluminium? Inkjecta, the well-known manufacturer of tattoo machines and corresponding accessories from Australia, has the Chubby and Fixed Grip V2 grips in both material versions ready for you.
Other suppliers are MT Derm/Cheyenne, Right Stuff and Premier Products. Not sure if your desired grip is compatible with your tattoo machine? Just contact us by email or phone and we will be happy to answer your questions.