Two Customized-created stainless steel grips have been Employed in a microtensile exam rig (UniVert, CellScale, Waterloo, ON, copyright) to connect the wire specimens. Stainless steel tubes were milled to fit the actuator and foundation factors of your UniVert device and aligned rigidly in exactly the same axis from the actuator. https://www.ortix.co.uk/wires/