uxcell 50Pcs Straight Female PCB Header 40 Way 2.54mm Spacing Connector Black Product Name : PCB Connector;Material : Plastic, Metal Pin Number : 40;Pitch : 2.54mm Total Size : 100 x 11 x 2.5mm/ 4" x 0.43" x 0.1" (L*W*H);Color : Black, Silver Tone Weight : 198g Package Content : 50pcs(+/-2%) x PCB Connector