The small pitch size on Molex's 3.50mm (.138") fixed Terminal Blocks help solve packaging problems due to limited PCB real-estate. 3.50mm (.138") terminal blocks continue to gain market acceptance and are now used regularly in many applications as more high density I/O applications are released. These terminal blocks are available molded-to-length in up to 25 circuits and are manufactured with captivescrews and a rising cage clamp termination, providing a secure, gas-tight connection when terminating wires. Features and Benefits