Amazon.com: GELRHONR Daisy Chain Guitar Effect Pedal Power Supply Cable,Right Angle DC 5.5x2.1mm Cable, 90 Degree DC 5521 Female to 4 Male Cable for CCTV Security Camera,DVR,LED Strip Light Etc(1 to 4) :
Voodoo Lab 2.1mm Pedal Power Cable - Straight to Right Angle (3-pack) | Sweetwater
Power Cables – The Rig Doctor Inc.
Amazon.com: (5) Pack 1 Foot Right Angle DC Power 5.5mm x 2.1mm Patch Cables Wire Male to Male : Electronics
6-Pack Lava Cable Tightrope DC Right-Angle Pedal Power Plug Connector Solderless
5) Pack 3ft Right Angle 2.1mm x 5.5mm Barrel CCTV Guitar Pedal DC Power Cables | eBay