Joyo RDB2 pedal board has a very special hollow design, which enables the convenient arrangement of wires. It' has a unique way of fixing a power supply by using an additional elastic band and suits any size power supply up to 17 x 10 x 6cm. No need to punch holes in the board.
Designed to fit the RD1 pedal flight case. Check out the listing for the RD1 + RDB2 Pack a board/case combo.