A 2×20-pin stackable female header designed for the Raspberry Pi GPIO. The extended pins allow HATs and add-on boards to be stacked while still providing access to all 40 GPIO pins for additional connections.

This version includes three removable 0.1" spacers, giving it extra height to clear the tallest components on the Raspberry Pi 3, 4, and 5. The spacers can be repositioned or removed to adjust the clearance as needed.

Key Features

• Stackable Design – Extended pins pass through for additional boards
• Adjustable Height – Three 0.1" spacers can be repositioned or removed
• Raspberry Pi Compatible – Matches the 2×20 GPIO header
• Standard 0.1" Pitch – 2.54mm spacing fits breadboards and standard headers

Ideal For

• Stacking multiple HATs on Raspberry Pi
• Creating custom daughter boards
• Prototyping with GPIO access
• Projects requiring clearance over tall components

Compatible With

• Raspberry Pi Model A+ and B+
• Raspberry Pi 2, 3, 4, and 5
• Raspberry Pi Zero / Zero W / Zero 2 W
• Any board with a 2×20 pin 0.1" header

Specifications

• Pins: 40 (2×20)
• Pitch: 2.54mm (0.1")
• Total Height (A): 48.3mm
• Stacking Height (B): 51.3mm
• Header Height (H): 16.1mm
• Pin Length Below (P): 7.1mm
• Spacers: 3× removable 0.1" spacers

Package Contents

• 1× Stackable 2×20-pin Female Header with spacers