Working Capacity: 1/4~3/4"(45°flaring). 5/16~1 1/8"(pipe cut). 1/8~7/8" Inner/Outer Tube Reamer. Processing Mode: cone rotating on eccentric axis with constant pressure. Cone Speed:350RPM, Only 5 seconds per flare. No Hand strength required. Can be used anywhere no power source is available. Equipped with Tube cutter and inner/outer Tube reamer for smooth working. 10.8V Battery. Rapid charger in one hr. Rechargeable approx. 300 times max.