The M-3-S three star miniature straight very fine pointed tweezer is made of stainless steel. The overall length is 2.75. It is ideal for working under high magnification.Specs amp; FeaturesVery Fine Points, Miniature, Application: Microscopy, Quality: , Surface Resistivity : Conductive, Shape: Straight, Material: SS, OAL: 2.75 (68.75mm), Body Width: .25 (6.25mm), Body Height: .06 (1.5mm), Tip Width: .007 (.17mm), Tip Height: .004 (.1mm)