TTI 18-Volt Brushless Cordless 4-12 in. Angle Grinder (Tool Only, PBLAG01B) (NO Retail Packaging, Bulk Packaged) - Amazon.com
Ryobi P423 18V One+ Brushless 4-1/2" 10,400 RPM Grinder and Metal Cutter w/ Adjustable 3-Position Side Handle and Onboard Spanner Wrench (Battery Not Included, Power Tool Only) - Amazon.com