From the Manufacturer This powerful 7.5 Amp angle grinder has an exclusive labyrinth construction that seals the motor and bearing from contamination.The 9557NBX features a switch (AC/DC) that is conveniently located on the top of the motor housing and a small circumference barrel grip for easy handling.
- 7.5 Amp motor design for high output power in a more compact tool - only 3.5 lbs.
- Protective zig-zag varnish seals motor from contaminants by forming a barrier under rotation
- Thicker coil wires are wound more closely to reduce heat and energy loss
- All ball bearing design and metal gear housing for durability
- AC/DC switch for use with alternative power sources