A: The E2 Ultra uses a 5/32'' Hex Shank and runs at 270RPM with a max torque of 0.6N·m.

It’s perfect for small electronics like RC cars, computers, watches, and phones. Use it for precision screws without worry.

A: Speed comes from the motor’s rotations, but torque is adjusted by the gearbox to increase or decrease force.

The motor’s sound reflects rotational speed, while torque is what ensures proper tightening or loosening.

A: The S2 Pro uses a 1/4'' Hex Shank and runs at 250RPM with a maximum torque of 6N·m.

It's perfect for projects like 3D printers, home appliances, furniture assembly, and DIY tasks. Confidently handle screws and tight spaces with adjustable torque.

A: E1 Max has 2 torque settings, the low torque 0.05 N.m and the high torque 0.2 N.m can be adjusted through the rotary knob.

Twist to the LOCK SIGN, the gearbox will be locked, manual mode can be used at this time, max manual torque is 3 N.m