for 4 Pi GPIO Expansion Board Hat for 4 Model B+/3B/2B
Features: Good plating
The product is suitable for 3B+/2B/B+.
Products for GPIO expansion.
You can solder the module chip circuit on the board.
we break out nearly every pin you could want to connect to the Pi.

Specifications: Size:6.5X5.6cm/2.65X2.2in
Material:Copper
Weight:26g
Accessory Type: Extension Board for 3B/2B/B+

Package Includes: 1 x Proto HAT Shield
1 x 2x20Pin
4 x Nut
4 x Screw
4 x Stud Bolt

(not lnclude board)

note: Due to the problems of lighting effects and angles, there will be certain tolerances in the product, please understand.
Please allow 0-2mm error due to manual measurment.