Hammond 1591USGY Grey ABS Plastic Project Box -- Inches (4.7" x 4.7" x 2.2") mm (120mm x 120mm x 55mm) Gray ABS Plastic Multipurpose Enclosure Inches (4.7" x 4.7" x 2.2") mm (120mm x 120mm x 55mm) Integral card guides accept 1.5 mm (0.062") P.C. cards. Designed to meet IP54