Hammond 1591LSGY Grey ABS Plastic Project Box -- Inches (3.3" x 2.2" x 1.4") mm (85mm x 56mm x 35mm) Gray ABS Plastic Multipurpose Enclosure Inches (3.3" x 2.2" x 1.4") mm (85mm x 56mm x 35mm) Integral card guides accept 1.5 mm (0.062") P.C. cards. Designed to meet IP54