The 116-SA three star 4.25 long S.M.D. straight tip tweezer has tips with a .04(1mm) groove for handling small cylindrical devices. It is made of anti-magnetic Neverust stainless steel and has serrated handles for better control.Specs amp; FeaturesStrong Points, Grooved Tips - .04, Application: Handling miniature cylindrical deviceswires, Quality: , Surface Resistivity : Conductive, Shape: Straight, Material: Anti-Mag. SS, OAL: 4.25 (106.25mm), Body Width: .393 (9.83mm), Body Height: .06 (1.5mm)