Cornerstone Pedals is a guitar-effects maker. The current GPAS selection includes Cornerstone Colosseum Dual Overdrive Pedal in, Cornerstone Colosseum Dual Overdrive Pedal – Blues Breaker and Klon and Cornerstone Nero Fuzz Overdrive and covers overdrive pedals. The model name matters because each effect has a different job in a rig.

For these products, compare effect function, control range, switching, bypass or routing, power requirements and the intended guitar or bass role. The product page is the authority for exact circuitry, connections, condition and included items.