It's for Bass I swear. In order it's a tuner, Bass Balls, a Boss Compression Sustainer, a Morely Power Wah Boost, Big Muff, Route 66 Overdrive Compression, and finally a MXR smartgate :
Morley Cliff Burton Tribute Series Signature Power Fuzz Wah Effects Pedal PFW-C | eBay
Trying to get) That Cliff Burton Sound : r/guitarpedals
Morley Man FX Cliff Burton Fuzz Box Pedal MCF B&H Photo Video