The BAK 5107123 Nozzle 20mm is one of a number of nozzle accessories the BAK 6600160BK Rion Hand Welder with case 1600W 120V. Other nozzles (sold separately and listed in "Related Items" below) include: BAK 60-Degree Nozzle 20mm, BAK 107132 Nozzle 40mm, BAK 107129 Nozzle 60mm.
The BAK 5107123 Nozzle 20mm provides yet another option for the BAK 6600160BK Rion Hand Welder with case 1600W 120V. (Below video focuses on Rion Hand Welder.)