Makita 4 1/2 inch 10Amp SJS Grinder. Labyrinth construction helps prevent dust and debris from entering the gear box. Spring loaded metal sealed drive bearing is engineered to stop dust and debris from penetrating drive bearing. Protective zig-zag varnish protects the armature coil by deflecting dust and debris
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Powerful 10.0 AMP motor delivers more output and 11,900 RPM for essentially the most demanding applications
SJS technology is a mechanical take hold of system that helps prevent motor and gear damage by allowing the drive shaft to slide if the wheel is forced to prevent
Larger cooling fan and blades pull more air in the course of the motor to assist take care of lower operating temperature
Paddle switch without a lock-on for operator comfort
Labyrinth construction prevents debris from penetrating the motor, bearings and gears for longer tool life