DEWALT, DCG412B, 20V MAX Cut-Off Tool Tool ONLY - - Amazon.com
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
Milwaukee 2780-21 18V M18 Fuel 4.5 in. -5 in. Grinder - - Amazon.com
Bosch 18V X LOCK 4 1/2" Angle Grinder Bare Tool GWX18V-8N from BOSCH - Acme Tools