Onix Pokemon GO: How to Evolve Onix

Onix in Pokemon GO is one of the handful of Pokemon that require a certain item to evolve.

GOT A PERFECT IV OF ONIX (my favorite Pokémon) idek if I want to evolve it or not. : r/pokemongo

As a level 29, do I finally evolve my Onix or is it worth the wait for a higher CP? : r/pokemongo

Pokémon Go Metal Coat - evolve Scyther into Scizor, Onix into Steelix, and how to get the Metal Coat

Steelix (Pokémon GO): Stats, Moves, Counters, Evolution

After almost 2,000 spins, I finally got a metal coat to evolve my 100% Onyx. Couldn't be happier with the result! : r/pokemongo

The Best Pokemon and Items to Save for Pokemon Go's Second Generation

Is Steelix worth using in Pokemon GO?

Onix - Evolutions, Location, and Learnset

Steelix Pokemon GO Amino

MEGA STEELIX EVOLUTION IN POKEMON GO!!

Shiny Onix. Can I use in comp? Should I evolve it? : r/pokemongo

Shiny Onix - Pokemon Go

How to evolve Onix into Steelix in Pokémon Go - ISK Mogul Adventures

Mega Steelix (Pokémon GO) - Best Movesets, Counters, Evolutions and CP