The 42 three star three prong spring loaded pencil tricep can handle parts up to .4 in diameter. It is very useful for picking up very fine or minute components. The overall length is 4.5. It is made of stainless steel.Specs amp; FeaturesSmall Parts Handling, Spring Loaded, Application: Very useful for picking up very fine or minute components, Quality: , Surface Resistivity : Conductive, Shape: Straight, Material: SS, OAL: 4.5 (112.5mm), Body Width: .25 (6.25mm), Body Height: .25 (6.25mm)