This 2×40 Pin 2.54mm Pitch Female Double Row Berg Strip has the industry standard spacing of 2.54mm and are designed for soldering directly into printed circuit boards (PCB). They are supplied Best for extension of pins of Microcontorllers and ICs. It is a 2.54mm 2×40 Pin Female Double Row Straight Long Header Strip. It has two rows of 40 pins each. Ideal for through-hole mounting. Specifications: Connector Header Strip Gender Female Mounting Type Through Hole Pin Spacing (mm) 2.54 Contact Material Phosphor Bronze Contact Resistance 20mΩ Insulation Material PBT UL 94V-0 Insulation Resistance (MΩ) ≥1000 Length (mm) 103 Width (mm) 5 Height (mm) 11.5 Weight (gm) 3 Package Includes: 1 x 2×40 Pin 2.54mm Pitch Female Double Row Berg Strip. *Product Images are shown for illustrative purposes only and may differ from actual product.