The KEW9166 with Hard carrying case; KEW4200; 300x315x125mm, manufactured by Kyoritsu, is a robust case designed to protect electronic testing equipment, such as multimeters, power supplies, insulation testers, scaling meters, and other electrical measurement tools. It has a waterproof and durable plastic construction, reinforced corners, and a detachable lid, providing protection from dust, dirt, water, and impact. It also has a foam insert to hold and secure the device, as well as built-in carrying handles and enough space for all accessories.