The PVS-04 three star angulated tip with OD of 0.05 and ID of 0.04 is designed for handling very small parts. These tips are ESD safe (10-10 ohmssq) white acetal and should only be used on continuous vacuum systems.Specs amp; FeaturesProbeCup, ESD Safe, Quality: , Surface Resistivity : 10-10 ohmssq, Shape: Straight, Material: Acetal, Tip Width: .05 (1.25mm), Tip Height: .04 (1mm)