GPIO Name BCM wPi Pinout Reference Board for Raspberry Pi Model A+, B+, Zero, 2, 3, 3B+, 4B.

Double-sided printing, the top content correspond to GPIO pinout Name, bottom content correspond to WiringPi / BCM pinout.

Material: Glass fiber, Length 53mm/2.08", Width 9.87mm/0.39", Thickness 0.75mm/0.029"

Quantity:  10 PCS. 1g/pcs

The Pi GPIO reference board provides an easy way to make sure you are hooking up the wires correctly.

Specifications:

Main color: Black board

Size: 53 * 9.87 * 0.75mm / 2.08 * 0.39* 0.029inch

Package weight: 1g

Compatibility: For Raspberry Pi 4B/3/2/1