Item size (approximate): 100 x 11 x 6mm/ 4" x 0.44" x 0.23" (L*W*H). Quantity: 40 pcs. Pitch: 2.54mm. Color: Black with metallic silver. Suitable for arduino connector. Package Contents; 40 pcs 40-pin 2.54 pitch breakaway PCB board connector. Only the above package contents are included, no other products are included. Attention; 1. due to the difference of light and screen, the color of the item may be slightly different from the picture. 2. Please allow 1-3 mm difference due to manual measurement. 3. please check if it is the product you need before payment.