This expert quality vacuum test kit from draper is designed to help locate and identify faults on vehicles its applications include fuel ignition ignition transmission air conditioning fuel lines emissions vacuum brake and clutch bleeding the body is die cast and comes with a gauge and accessory kit that is easily dismantled for cleaning the kit comes packed in a carrystorage case piston stroke volume 1 cubic inch amp range 0 76cm hg of vacuum draper part nubmer 68714