... button 3. 220V voltage 4. 4sets shear boxes 4-SETS Shear Box Direct Shear Testing Apparatus Application: This apparatus is used ... working table, Stepping motor as pushing mechanism, high precision, low noise, MCU control, variable speed displayed by the controller, ... vertical type controller, LCD display. Optional Parts :ST1005E-1A shear cell (Complete sets 30cm² ) made from stainless steel material ...