An improved portable support bench frame is disclosed. The support bench frame disclosed herein provides for portability while simultaneously sustaining large weight loads on the bench. The support bench frame is also vertically adjustable to provide advantages during certain uses and to also lower the bench's center of gravity when needed. The lightweight nature of the frame makes it easier to transport and disassemble, while the modular nature of the apparatus allows components to be easily added or removed. The portable bench frame disclosed herein may be used in any field where a supporting frame might be necessary such as building, design, architecture, models, horticulture, or presentations.