A range of 2.54mm (0.1 inches) pitch connectors, having 0.64mm (0.025 inches) square pins suitable for interconnecting board to board and board to wire. The plug pin is held in a molding, and is available for either horizontal surface mount solder mounting. Plug moldings are available in unlatched or latched versions. Contacts may be gold. Surface mountable pin headers are available in single horizontal variations.