Ryobi angle grinder 4 1/2 inch metal cutter - YouTube
RYOBI 4-1/2 in. Masonry Grinding Wheel (3-Piece) A01303 - The Home Depot
RYOBI 7 in. 10 Amp Angle Grinder AG701 - The Home Depot
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