The 2.54mm wafer is perfect for use in pcb board. Our connectors are specifically designed for modern systems, which are extensively wired and controlled by a microprocessor. With our products, you can enjoy a high degree of convenience, style, and affordability. 1016-34MANSiBB pbt gf30 for electrical connector black 2.54mm wafer is a high quality product that is used in a wide range of devices and applications. This connector is made with the highest quality materials. [caption id="attachment_4884" align="aligncenter" width="600"] black 2.54mm wafer[/caption]