ANTI-CORROSION CHROME FINISH: All the mechanics tools in WORKPRO Tool Set are made with a fully polished, heat-treated, triple chrome plated finish which protects tools against corrosion. No need to worry about leaving your tools kit alone outdoors or in the rain as our socket set is rust-resistant 450-PIECE TOOL SET: The blow molded case for mechanics with 4 trays includes the most needed and necessary tools that anyone needs in daily life, such as sockets set, quick-release ratchet handle, combination wrenches, magnetic holder, bits set, hex keys, and so on STEADY STORAGE FOREVER: All the tools can be neatly organized and stored in our robust blow-molded case. Place each tool in its designated spot so you can easily find them again when you need them. This socket and wrench set also has locking clips keeping tools secure inside and protecting them from damage, easily cope in a workshop environment IDEAL FOR ALL SITUATIONS: WORKPRO 450 pieces drive socket set is the perfect starter set to have in your home or keep in your vehicle in case of emergency. The master socket set has all the equipment necessary for auto repair and home maintenance LONG-LASTING TOOLS: We are confident of the good quality of our socket and wrench sets. Our products are strictly produced and tested according to international standards.