Features & Benefits: Use with 3/8″ or 1/2″ Square Drive. Can also used with 21mm wrench or socket.; Heat-treated arms with specially designed gripping jaws grab even the most stubborn filters.;

Use with 3/8″ or 1/2″ Square Drive. Can also used with 21mm wrench or socket. Heat-treated arms with specially designed gripping jaws grab even the most stubborn filters.