Bosch gws 18 v li professional cordless angle grinder highest material removal rate and cutting performance in its class per battery chargeextremely robust and durable 4 pole high performance motor for a long lifetime compact design and low weight only 23 kg for comfortable working especially in tight spaces and overhead innovative coolpack batteries ensure optimum heat dissipation and therefore increase lifetime by up to 100 cf li ion batteries without coolpack bosch electronic cel