The 353’s handle is made of cast aluminum with three precision-milled surfaces, 45° and 30° cast-in handle platforms. The stainless-steel ruler has permanently etched gradation for long lasting accuracy. The first 4 inches are incremented 1/32 for fine and accurate measurements, extending to 1/16 of an inch for the remainder of the blade’s length. The 353’s blade has marking holes at 10°, 15°, 22.5°, 30°, 45°, 50° and 60° for angle marking and includes openings every ¼ inch for fluid and parallel pencil markings. Features: Certified 90° angle Aluminum cast handle Stainless steel ruler 3 Milled surfaces Two sided 30° cast-in handle platform Retractable metal ledge support Etched cm gradations Permanently etched stainless steel blade Etchings and holes at 10°, 15°, 22.5°, 30°, 45° , 50° and 60° for beveling and framing Holes every cm (½” Imperial) for fluid pencil marking Marking groove on handle Hanging hole
