5pcs 2x20 Pins 2.54m Female Dual Row Short Pin Headers Connector PCB Board Pin Header Strip for Raspberry Pi : Amazon.co.uk: Electronics & Photo
SB Components 2x20 Pins Extra Tall Female 0.1" Pitch Stacking Header for Raspberry Pi A+, Pi Model B+, Pi 2, Pi 3 and Pi 3 B+ (Pack of 5): Amazon.co.uk: Business, Industry
Kls1-208 2.54mm Pitch High 8.4mm Female Header Connector