Spring reverb effect with Volume, Tone, and Reverb controls. - Brand: Danelectro - Model Name: Spring King - Type: Spring Reverb - Controls: Volume, Tone, Reverb - Pedal Type: Kick Pedal Thank you for viewing. This is a spring reverb with a kick pad. The operation has been confirmed before listing. The battery cover is missing. It was used in live performances and studios, so there are signs of use such as scratches and marks on the exterior. Please refrain from price negotiations.