Series 110 Open-Frame Dual-In-Line Sockets Mill-Max Series 110 Open-Frame Dual-In-Line Sockets accept 0.015' to 0.025' diameter and standard IC leads. The four-finger beryllium copper #30 contact offers high reliability and is rated at 3A. The sockets feature a standard solder tail. Mill-Max Series 110 Open-Frame Dual-In-Line Sockets use MM #1001 pins and the insulators are high-temperature thermoplastic, making them suitable for all soldering operations.