Ingco 20V Brushless Lithium-Ion Impact Wrench with 2Pcs 2.0Ah Batteries, 1Pcs Charger, 3Pcs Sockets, 1/2 Inch, 300NM CIWLI20013
Metal shell, larger ventilation holes accelerate the cooling efficiency. Brushless motor bring a more powerful ability, less Failure rate, longer lifetime