1)70MM jaw width, 2) 70mm jaw opening . 3)powerful suction base fixes on most surfaces. 4) removeable rubber jaw faces. 1)70MM jaw width,2) 70mm jaw opening .3)powerful suction base fixes on most surfaces.4) removeable rubber jaw faces.5) 180o head tilt.6)360o head swicel ,7)"V" groove nylon haws for holding cylindrical & irregular shapes. Suction vice,table vice, vacuum vice