This Pen-Vac system has a brushed aluminium and clear anodised body. The vacuum is generated by pressing and releasing the vacuum push bar. The sets include six probes and cups, with two each of cup diameters 3.2 mm, 4.8 mm, 6.4 mm, on one bent and one straight probe. The Buna-N cups are static dissipative and non-marking with a temperature range of -20 to 120°C. The cups can be mounted directly to the tool.