1. Lower noise.
2. Multi-purpose electric screwdriver set.
3. Can complete drilling, pulling rivets and screwing, as long as you have a drill.
4. Can solve these problems: a product of the nut to be installed on the outside, and the inside of the space is small, can not let the sub-riveting machine pressure into the pressure riveting and buds and other methods can not meet the strength
5. Easy to operate.
6. It has two power supply: charger and battery.
7. Reversible power switch.