For 150mm dia x 300mm high specimen. Consists of two frames for clamping to by means of five tightening screw with a hardened end tappered end. Two spacer hold the two frames in position. A pivot rod rests on pivot screws. A dial gauge, fixed to a bracket fitted to the top frame is used for taking deformation measurement. Supplied complete with dial gauge 0.002mm x 5mm in a nice wooden carrying case.