Brand new upgrade the fourth-generation core structure
Pulley clamping structure
double plug-in structure

Max flared size 22MM(7/8
Works well even in low light
Full battery, 19mm copper, flared times:220-230
50w, quick charge, 0ne hour for fully charged

| Model | ST-E900A-L | ST-E900AM-L |
| External Dimensions | 243×101×102mm | |
| Specification | 1/4",3/8",1/2",5/8",3/4" | 6mm,1/4",9mm,3/8",12mm, 1/2",5/8"(16mm),3/4"(19mm |
| Pipe Expansion Shape | 45°Flaring | |
| Nominal Voltage | 11.1V | |
| Capacity | 2200MAH | |
| Pipe Expansion Frequency | 5/8" copper 135 time (full power) | |
| Charging Time | About 100 minutes | |
| Temperature | 5℃-40℃ | |