A disassembly tool for disassembly of a first component of a prosthesis from a second component of the prosthesis for use in joint arthroplasty. The tool includes a body having an internal bore. At least a portion of the internal bore is threaded for engagement with a thread on the first component of the prosthesis. The tool further includes an expandable ring surrounding a portion of the body and adapted to engage the first component, such that when a radial force is applied to the body, the ring expands, applying an axial force against the first component.