Makita’s 18V LXT lithium-ion brushless 4-1/2” paddle switch cut-off/angle grinder with electric brake kit, model XAG10M, features an electric brake, which stops the grinding or cut-off wheel in 2 seconds or less upon release of the switch. It also features: electronic torque control, 8,500 revolutions per min., automatic speed change technology, a large no lock-on flush-mount paddle switch with two stage lock-off, wire mesh intake covers and an anti-restart function. It weighs 5.6 lb. with battery and features a protective seal inside the tool engineered for improved dust and moisture resistance.