Connector B: DIN 1.5mm touch-proof (TP) female connector

4.0 Medical buckle material: The outer shell and inner core are stamped and formed from H65 brass material, and the spring is made of high-quality elastic phosphor bronze.
4.0 Medical buckle surface treatment: electroplated nickel or electroplated gold

1：4.0 Medical Copper Buckle Core                                                         2：4.0 Medical Copper Buckle Shell

1：4.0 Medical Copper Buckle Core and Shell                 2：Electroplated 4.0 medical copper buckle inner core and outer shell

1：4.0 medical snap fasteners pressed together after electroplating    2：Welded 4.0 Medical Snap Cable

4.0 Medical Snap Cable after Injection Molding