Hammond 1551KBK Black ABS Plastic Project Box -- Inches (3.15" x 1.58" x 0.79") mm (80mm x 40mm x 20mm) Black ABS Plastic Multipurpose Plastic Enclosure Inches (3.15" x 1.58" x 0.79") mm (80mm x 40mm x 20mm) 2 P.C. board standoffs molded into interior. Designed to meet IP54