TIP HEATER STEPPED CHISEL 1.78MM; Tip / Nozzle Width:1.78mm; Tip / Nozzle Style:Stepped Chisel; For Use With:Weller 537S 1237S 4037S 37 37UG DI & SL Heaters; Product Range:-; Tip / Nozzle Length:0.66"; Tip / Nozzle O.D.:0.07" ;RoHS Compliant: Yes