20-Volt Cordless 4-1/2 in. Cut-Off Tool/Angle Grinder with Lithium-Ion Battery, 1-Hour Charger, and Grinder DiscPulsar's PT2620 Cordless Angle Grinder is equipped with a 4 in. disc capacity, an adjustable guard and a durable aluminum gear box with arbor lock and has a no load speed of 10,000 RPM. Its multi functional 20V lithium ion battery pack and charger with dynamic indicator & 1 hour charge time. The PT2620 also features a convenient two position side handle, plus a grinding disc and spanner wrench. California residents see Prop 65 WARNINGS Multi