These T22 Series Soldering Tips from Hakko are for use with the FM-2030 Heavy Duty Soldering Iron (RS item no: 766-0450).
Shape BC/C Used for pre-tinning lead wires and drag soldering. This tip type is shaped like a cone/column which is cut at an angle allowing users to choose the cut surface size according to work piece.
Shape B Heavy-duty all-round tip type that can be used from any angle; for soldering any surface, large and small.
Shape D This tip type is shaped similarly to a flat-blade screwdriver and can be used on tip line or tip face; suitable for any soldering work.
Shape K Shaped similarly to a knife, this tip type can be used in three ways: line, point and face. Excellent for soldering at narrow pitches; also suitable for correcting bridging and drag soldering.