The 330D three star fine hook tip stainless steel probe with standard handle has 10 mil tip. The overall length is 6.Specs amp; FeaturesFine PointsApplication: Great for very fine work, Quality: , Surface Resistivity : Conductive, Shape: Hook, Tip Angle: curve .5 rad, Material: SS, OAL: 6 (150mm), Tip Width: .01 (.25mm)