RYOBI 18 VOLT 4-1/2" INCH ANGLE GRINDER CUT OFF TOOL - P421 - TOOL ONLY | eBay
Ryobi 4-1/2 Inch Barrel Grip Angle Grinder AG4031G (AG4031GTH) USED – governmenttransitsurplus.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 ONE+ 18V Cordless 4-1/2 in. Angle Grinder Kit with 4.0 Ah Battery and Charger PCL445K1 - The Home Depot