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Geekworm 2x20 40 Pin Stacking Female Header Kit for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero(Zero W)(4 specifications), Raspberry Pi GPIO Stacking Header/Extender : Amazon.co.uk: Computers & Accessories
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GeeekPi Micro Connectors Raspberry Pi 40 Pin GPIO 1 to 2 Expansion Board 2 x 20-pin Strip Dual Male Header Double Row Straight GPIO Connector Pin Header Compatible with Raspberry Pi(1Pack): Amazon.co.uk:
![Sintron] 40 Pin GPIO Extension Board with 40 Pin Rainbow Color Ribbon Cable for Raspberry Pi 1 Models A+ and B+, Pi 2 Model B, Pi 3 Model B and Pi Zero : Sintron] 40 Pin GPIO Extension Board with 40 Pin Rainbow Color Ribbon Cable for Raspberry Pi 1 Models A+ and B+, Pi 2 Model B, Pi 3 Model B and Pi Zero :](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/9104Tzp5ODL._AC_SL1500_.jpg)