Hitachi G18MR 7-Inch grinder  (Discontinued by Manufacturer) 15 Amp motor produces forcible output power (3,500W) for the toughest grinding jobs Trigger lock-on for comfortable continuous operation IDI (Internal Double Insulation) technology prolongs tool life by providing a durable metal housing, reducing vibration and extending brush life, while realizing the double insulation characteristics of plastic housing tools Tool-less wheel guard can be adjusted to desired angle Sealed armature coil , reduces wear caused by dust and debris for longer tool life Dust-resistant labyrinth construction prolongs armature, switch and bearing life Ball bearings seated in iron retainer for greater durability Three position adjustable side handle , reduces vibration Carbon brush access , allows user to replace brush as needed to greatly prolong the life of the tool 11.9 lbs, lightweight design facilitates maneuverability Available without lock-on switch - G18MRP9 Download the G18MR Tool Card Side Handle (322411) Spanner Wrench (937913Z) Wheel Guard (324266) IDI Technology 7" Wheels 6,600 RPM Dust Free design 5/8" x 11 spindle