CRAFTSMAN V20 4.5-in 20-volt Max Trigger Switch Cordless Angle Grinder (Tool Only) in the Angle Grinders department at Lowes.com
4 1/2 in Wheel Dia, Slide, with Lock-On, PWRCore 20 20V 4-1/2" Angle Grinder Kit - 351TA3|AG290202 - Grainger
Cordless Angle Grinder Set, 18V Electric Cut-off Tool/Grinder with 2 Pack 5.0Ah Lithium-ion Battery and Charger & Carrying Case Kit, for Cutting and Grinding - Amazon.com
Cordless Angle Grinder Set, 18V Electric Cut-off Tool/Grinder with 2 Pack 5.0Ah Lithium-ion Battery and Charger & Carrying Case Kit, for Cutting and Grinding - Amazon.com