Anti static pen container The volume resistance: 10^5 - 10^8 ohm. Electrostatic decay time: 1000V/100V less than 1.0S Friction voltage: less than 50V Colour: black. Size: height 10.5cm* diameter 8.0cm (external dimensions) it is widely used in electrostatic sensitive areas, can be used for purifying the environment (microelectronics, biological, medical and so on) Note: permanent anti-static.