Built for spot welding
AWithZ professional welding pens
One-stop service / Pro compatibility / Ultra-low resistance / Better welds
WP240 multi-function integrated pen
65 cm / 35 mm² · smart spot welding · fits many scenarios
Fits: P120D / P90C / P60F / P30C / P20B
¥299.9
WP120 welding pen · 8 AWG · 1 pc
40 cm / 8.3 mm² · high-conductivity copper core · smart trigger
Fits: UF20B / UK3 / UK1 / U3加强版
¥39.9
WP120-6 welding pen · 6 AWG · 1 pc
50 cm / 16 mm² · high-conductivity copper core · smart trigger
Fits: UKF10 / UK3 / UF20B
¥49.9
WP110 welding pen · 8 AWG · 1 pc
40 cm / 8.3 mm² · high-conductivity copper core
Fits: UF20B / UK3 / UK1 / U3 / U2
¥29.9
WP110-6 welding pen · 6 AWG · 1 pc
50 cm / 16 mm² · high-conductivity copper core
Fits: UKF10 / UK3 / UF20B
¥39.9
WP158 welding pen · 1 pc
60 cm / 25 mm² · high-conductivity copper core
Fits: —
¥71.9
Classic Integrated Pen
An early one-piece (non-replaceable-pin) pen; the detail page states "no cheap one-piece pens," so it is treated as legacy/discontinued, to be confirmed.
Fits: U2
TBD
Accessory ↔ host-model matrix
| Category | Model | Compatible hosts | |
|---|---|---|---|
| welding pen | WP110 | UK1、UK3、UF20B | Details › |
| welding pen | WP120 | UK1、UK3、UF20B | Details › |
| welding pen | WP110-6 | UK3、UF20B | Details › |
| welding pen | WP120-6 | UK3、UF20B | Details › |
| welding pen | WP240 | P20B、P30C、P60F、P90C、P120D | Details › |
| welding pen | WP158 | P20B、P30C、P60F、P90C、P120D | Details › |
| Welding pins | H-Series single-head pins | H1、HD2、H2 | Details › |
| Welding pins | H-Series dual-head pins | H1-2026、HD2-2026、H2-2026、HF7 | Details › |
| Welding pins | WP110/120 pins | UK1、UK3、UF20B | Details › |
| Welding pins | WP110-6/120-6 pins | UK3、UF20B | Details › |
| Welding pins | WP240 pins | P20B、P30C、P60F、P90C、P120D | TBD |
| Welding pins | WP158 pins | P20B、P30C、P60F、P90C、P120D | Details › |
The matrix is from the 2026-09-10 revision, table 3; it differs from the catalog's compatibility fields (e.g. whether WP120-6 fits UKF10, whether WP110 fits U3/U2) — the brand's final confirmation prevails.