ITEM NAME:20 Pcs 2.54mm Pitch 40Pin Male Straight Pin Header Strip Connector I3O9 20 Pcs 2.54mm Pitch 40Pin Male Straight Pin Header Strip Connector I3O9 Single row, straight mounting , male pin header, electric component, easy to install. This pin header is an Perfect connector for the PCB board and intergrated circuit, used widely in the computer and breadboard. Product Name : Pin Header Pins : 40 Pin(1 x 40 Pin) Row : Single Row Mounting Angle : Straight Pin Length : 11mm/0.43 inch Pin Pitch : 2.54mm Total Length : 100mm/4 inch Material : Plastic, Metal Color : Black, Silver Tone Weight : 55g Package Content : 20 x Pin Headers Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Single row, straight mounting, male pin header, electric component, easy to install. This pin header is an Perfect connector for the PCB board and intergrated circuit, used widely in the computer and breadboard.