Quick view Vertex Steel String Limited Edition Slight Return Version VERTEX MSRP: Now: $340.00 Was: This limited edition Vertex Steel String SRV effects pedal (Slight Return Version) faithfully recreates the tonality and feel of the iconic Dumble Steel String Singer amplifier in a stompbox... MSRP: Now: $340.00 Was: Quick view Qty in Cart: 0 Price: MSRP: Now: $340.00 Was: Subtotal: