Offex Wholesale F-pin Female to 3.5mm Mono Male Adapter Converts: Converts back and forth between 3.5mm Mono Male Plug and F-pin Female Jack. Connection: 3.5mm Mono Male Plug. Connection: F-pin Female Jack. Warranty: Lifetime. OffexWholesale's warranty covers only the replacement or repair of the original product. OffexWholesale shall not be liable for incidental, consequential, or special damages arising out of or in connection with use of any products sold herein except as may otherwise be accorded by law. Dimensions: 3"L X2"W X2"H Inches. Weight: 0.02 lbs.