This level is reserved for the "Big Dog" on the job site! A heavy-duty aluminum frame houses industrial-strength acrylic block vials and is finished with Super Shock end caps made from a special polymer and rubber blend. These levels feature the exclusive Swanson Diamond bumpers, to protect surfaces from marring. Multi-ring vials will help plumbers and industrial landscapers with drainage pitch. Features: * Rubberized end caps to protect against shock * Advanced structural aluminum frame * Impact- resistant solid block vials * Exclusive Diamond cut-out is raised slightly to avoid surface scratches * Multi-ring vials indicate 2 degree and 4 degree grade for drainage What"s In The Box: * Swanson IBX240 24-Inch IBOX Level