The gws 18 125 v li professional cordless is the most powerful 18v angle grinder from bosch that has the highest material removal rate and cutting performance in its class per battery charge it has a robust and durable 4 pole high performance motor for a long tool life and is ideal for working in tight spaces and over head the innovative coolpack batteries ensure optimum heat dissipation increasing lifetime by up to 100 compared to batteries without coolpack the bosch electronic cell prot