Makita 9564CV 4-1/2 In. angle grinder. This industrial angle grinder from Makita delivers superior power in a compact design. With an improved 12 AMP motor and five stage variable speed control, you can get the power you need for a wide variety of jobs. The super joint system prevents tool kickback and gear damages caused by accidental wheel binding. The larger and improved carbon brush material offers a longer tool life while the electronic limiter stops the motor and prevents accidental motor overload and burnout. Tool-less wheel guard adjustment makes for easy clamping while working. The innovative labyrinth construction seals and protects the motor and bearings from dust and debris,. Protective zigzag varnish seals armature and field from contaminants and reduces heat. 5 stage variable speed control dial for matching the RPM to the work. Improved 12 AMP motor design for increased output power in a more compact tool.