SWITCHCRAFT stereo mini jack, model #35LJN. Dimensions: Plug diameter: approximately 10.5mm Cable diameter: approximately 7mm Locking type. When combined with a stereo mini plug with a locking screw, such as the 35HDLNN, the male and female connectors can be locked with a screw. This provides a very secure connection, making it ideal for outdoor use and extensions. (We are unable to answer questions regarding specific models.) Shipping included.