Truetone 1 Spot L6 Converter
This product is currently sold out.
For your consideration, Garrett Park Guitars presents Truetone 1 Spot multi-plug 5 cable
From the Truetone website:
CL6 - Allows the 1 SPOT power supply and multi-plug cables to be used with Line6 modeling pedals and Digitech RP100 series.