NOVA COLE JAW SET JSCOLE - Includes standard bumpers, extended longer double jaw mounting screws, and 4 jaw screw spares Full size Cole Jaws - holds bowls up to 10" Also includes 8 extra long mounting screws for double jaws use (see description) Kit includes 4 jaw plates, 8 mounting bumpers (as in pic) Fits Original Nova, Supernova, Titan, and Midi chucks. Also includes 4 EXTRA regular jaw screws which you don't need..until you lose one in the shavings...