Sealey generation series composite air impact wrench 3 8 sq drive twin hammer sealey gsa6000 combination of composite materials alloyed metals and twin hammer design result in a lightweight durable and powerful air impact wrench soft grip handle with downward facing exhaust make this wrench comfortable on the hands and ears and limits the circulation of brake dust on wheel applications finger tip control of power and direction via lever on rear of wrench suitable for professional garage