A trial femoral head (100, 200, 300, 400, 500) for use in a trial fitting of a hip prosthesis, the head having an outer surface and a plurality of cavities (112, 114, 212, 214, 312, 314, 326, 328, 512, 514) configured to mate with a male connection member of a femoral stem component, each cavity having an opening located in the outer surface of the head, each opening being of a different size such that when the male connection member of the femoral stem component is mated with a first cavity it is received at a first depth, and when it is mated with a second cavity it is received at a second depth.
