DeWalt DCG412 Cordless 4-1/2" Grinder Type 3 20V Max - Oahu Auctions
Dewalt DCG412B 20V MAX Lithium Ion 4-1/2" grinder (Tool Only) with 4-Inch by 0.045-Inch Metal and Stainless Cutting Wheel, 5/8-Inch Arbor, 5-Pack - - Amazon.com
DEWALT 7-Tool 20-Volt Max Power Tool Combo Kit with Soft Case (2-Batteries and charger Included) in the Power Tool Combo Kits department at Lowes.com