18 Pieces WELLER Replacement Soldering Tips ETM ETL ETK ETO ETS ETH ETT ETX ETR ETKN ETA ETB ETC ETD ETAA ETBB ETCC ETDD Use for WES51 WESD51 PES51 PES50,LR21 Solder Iron Tip (Brand'ACE') WELLER ET Series Replacement Soldering tip, Solder Iron tips, Handle Tip, Pencil Tip ETM ETL ETK ETO ETS ETH ETT ETX ETR ETKN ETA ETB ETC ETD ETAA ETBB ETCC ETDD Compatable Stations: WELLER WES51 WES50 WESD51 WESD50 WCC100 WE1010NA Compatable Irons: WELLER PES51 PES50 LR21 EC-1000 ET2000 EC1201A 1204A WCC101 EC1201 1204 Conical, Screwdriver, Round, Bevel, Bent, Chisel, Knife Shapes, No Matter for precision electronics but also Drag Soldering, DIP chips, Narrow Tip for Some Tiny Work, LED and board wiring, Raspberry Pi Zero Projects