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. Silver, Black and Red. Hangzhou Great Star Industrial Co. Global Trade Identification Number. 23, 12, 15, 16, 28, 19, 1, 4, 5, 6, 40, 30, 10, 21. For auto repair and home maintenance. WORKPRO 450-Piece Mechanics Tool Set, Universal Professional Tool Kit. 175PC 1″ S2 bits ;4PC adaptor:1/4″MX3/8″F? 3/8″MX1/4″F? 3/8″MX1/2″F? 1/2″MX3/8″F;1PC blow molded case; 16PC 1/4″ Dr. Bit sockets; 15PC 3/8 Dr. 40PC hex key:(short arm)1.5? 2? 2.5? 3? 4? 4.5? 5? 5.5? 6? 7? 8MM; 0.05″? 1/16″? 5/64″? 3/32″? 7/64″? 1/8″? 9/64″? 5/32″? 3/16″? 7/32″? 1/4″; (long arm)1.5? 2? 2.5? 3? 4? 4.5? 5? 5.5? 6MM; 5/64″? 3/32″? 7/64″? 1/8″? 9/64″? 5/32″? 3/16″? 7/32″? 1/4″. 3PC 1/4″& 3/8″& 1/2″ quick-release ratchet handle; 12PC Combination Wrench; 4PC Mini Combination Wrench;23PC 1/4″ Dr. Sockets in metric& SAE: 4? 5? 5.5? 6? 7? 8? 9? 10? 11? 12? 13? 14mm; 5/32″? 3/16″? 7/32″? 1/4″? 9/32″? 5/16″? 11/32″? 3/8″? 7/16″? 1/2″? 9/16″, 6pt; 10PC 1/4″ Dr. SAE sockets: 3/16″? 7/32″? 1/4″? 9/32″? 5/16″? 11/32″? 3/8″? 7/16″? 1/2″? 9/16″, 12pt. 21PC 1/4″ deep sockets in metric & SAE:4? 5? 6? 7? 8? 9? 10? 11? 12? 13? 14mm, 3/16″? 7/32″? 1/4″? 9/32″? 5/16″? 11/32″? 3/8″? 7/16″? 1/2″? 9/16,6pt. 12PC nut driver:5mm? 6mm? 7mm? 8mm? 9mm? 10mm? 3/16″? 1/4″? 9/32″? 5/16″? 11/32″? 3/8″; 5PC 3/8 SAE Dr. Sockets:1/4″? 5/16″? 3/8″? 7/16″? 1/2, 8pt. Sockets in metric and SAE: 6? 7? 8? 9? 10? 11? 12? 13? 14? 15? 16? 17? 18? 19? 20? 21? 22mm; 1/4″? 5/16″? 3/8″? 7/16″? 1/2″? 9/16″? 5/8″? 11/16″? 3/4″? 13/16″? 7/8″? 15/16″? 1,6pt. Sockets in metric and SAE: 6? 7? 8? 9? 10? 11? 12? 13? 14? 15? 16? 17? 18? 19? 21mm; 1/4″? 5/16″? 3/8″? 7/16″? 1/2″? 9/16″? 5/8″? 11/16″? 3/4″? 13/16″? 7/8″? 15/16″? 1,12pt. 19PC 3/8″ deep sockets in metric and SAE:12? 13? 14? 15? 16? 17? 18? 19mm; 3/8″? 7/16″? 1/2″? 9/16″? 5/8″? 11/16″? 3/4″? 13/16″? 7/8″? 15/16″? 1″; 4PC 3/8 E-sockets:E10? E12? E14? E16. Sockets in metric and SAE:9? 10? 11? 12? 13? 14? 15? 16? 17mm;1/2″? 9/16″? 5/8″? 11/16″? 3/4″? 13/16″? 7/8,12pt. Spark plug sockets in metric and SAE:3/8″x5/8″? 3/8″x3/4″? 3/8″x18mm? 1/2″x5/8″; 6PC extension bar:1/4″×1-1/2″? 1/4″×3″? 3/8″×1-1/2″? 3/8″×3″? 3/8″×6″? 1/2″X3″; 1PC bit holder: 1/4″×1/4″;1PC 25MM 1/4″ adaptor; 1PC 30108MM magnetic bit driver handle. Constructed from Cr-v(bottom) and S2(head) steel with heat treated for durability. Bottom with bright chrome-plated surface for corrosion resistance. Bit sockets:T8X3? T10X3? T15? T20? T25? T27? T30X2; H3/16″? H3/16″? H7/32″? H7/32″. Bit sockets: T27? T30? T40? T45X2? T47? T50; H5/32″? H3/16″? H1/4″? H1/4″? H5/16″? H3/8″? H4? H5. Constructed from Cr-v steel with bright chrome-plated surface for durability and corrosion resistance. Torsion exceeds ANSI standards. Marked size in metric and SAE to meet your needs of different objects: 5/16″? 3/8″? 7/16″? 1/2″? 9/16? 11? 12? 13? 14? 15? 16? 17MM. Come with 4PC mini combination wrench:3/64″? 7/32″? 5MM? 6MM. Compact blow molded case. All tools are neatly organized in a blow-molded case for easy storage and professional transportation. Heavy duty design for durability and longevity.