Standard 4 mm binding post. Body of post grounds directly to mounting panel. Materials: Body: Polyamide (Nylon); Jack: Brass, Nickel Plt. Available in 6 colors. Sold in package of 50. Product Features: Pack Quantity: 50 RoHS (2011/65/EU): Compliant IEC Rating: 33 Vac / 70 Vdc Voltage Max: 1,200 Vac/dc Temperature: -20 to +80 degC Current Max: 36 A Resistance Max: 5 mohm