The amount of solder can be specified for efficient application. The feed movement is adjustable from 1 mm/s to 27.5 mm/s. Compatible with 0.5 mm, 0.8 mm and 1.0 mm solder wire diameters - efficient single-handed soldering - precise operation for the highest quality - integrated start / stop / standby functions - compatible with WELLER WD1, WD1M, WR2 and WR3M soldering and rework stations - operation only possible in conjunction with WELLER soldering stations! - Power:80W - Version:WTSF 80 - 1 piece solder wire feed system including soldering iron and soldering tip LT B - 1 piece operating instructions