M18 18-Volt Lithium-Ion Cordless 4-1/2 in. Cut-Off/Grinder W/ M18 Starter Kit W/ (1) 5.0Ah Battery and ChargerM18 18 Volt Lithium Ion Cordless 4 1 2 inch Cut off Grinder provides speed, durability and ease of use to the industrial user. Built with a Milwaukee 4 pole motor, the 2680 20 delivers maximum power when cutting or grinding. The 2680 20 is the only cordless cut off grinder in the market to provide the user preferred paddle switch for comfort and ease of use when operating in various positions. L shape intake vents protect the cut off grinder by