RYOBI ONE+ HP 18V Brushless Cordless 4-1/2 in. Angle Grinder (Tool Only) PBLAG01B - - 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
Ryobi P421 6500 RPM 4 1/2 Inch 18-Volt One+ Lithium Ion-Powered Angle Grinder (Battery Not Included, Power Tool Only) - Power Angle Grinders - Amazon.com
RYOBI ONE+ 18V Cordless 4-1/2 in. Angle Grinder (Tool-Only) P421