| item | YF-DH-12A | YF-DH-12Q | YF-DR-12J |
| working ways | Arc stud welder | Arc stud welder | Arc stud welder |
| welding range | Φ3-Φ16mm | Φ3-Φ14mm | Φ3-Φ12mm |
| minimum length studs | 8mm | 8mm | 6mm |
| weight | 1.8kg | 1.6kg | 1.2kg |
| cable length | 2m | 2m | 2m |
| workingways | arc formula | arc formula | arc formula |
| material | high temperature insulating plastic | ||
Subject to technical modifications pasting
