Monster QuickLock MKII Gold Flex Pin Connectors For Easy Self Crimping Terminations - 2 pr Self Crimping, 24K Gold Contact, Heavy-Duty Flex Pin Connector Two piece screw-on design for easy and reliable crimpless and self crimping termination. Wider base minimizes shorting for maximum signal transfer. 24k gold plated contacts for maximum signal transfer and corrosion resistance. High purity copper braid for greatest flexibility for hard-to-reach binding posts or push pin terminals.