1 Piece 2/3/4/5/6 Channel 30A Slip Ring Diameter 22mm/31mm Rotate Connector Slip Rings SRC-22-0X30A Capsule Conductive
https://www.vogueparade.com/shopping/EN/200001385/1/32893558255/1-piece-23456-channel-30a-slip-ring-diameter-22mm31mm-rotate-connector-slip-rings-src-22-0x30a-capsule-conductive//