Product Description 【408 Piece Mechanics Tool Set】High Quality Material - Chrome vanadium forged tools for toughness and durability. Full polish chrome finish for anti-corrosion protection.High quality hand tools meet international standards.408 pieces of tools - It includes most daily use tools, includes pliers, screwdrivers, allen keys, wrenches, sockets, bits, tape measure,knife, hammer, wire stripper, etc.Box Dimensions: 19.685" x 10.63" x 13.78"Professional Toolbox - This tool set contains most necessary tools for mechanics or household projects. It is ideal for all assembly,maintenance and repair projects at home or workshop , and also a perfect gift for hobbyists and DIY workers.Includes - utility knife, blade, screwdriver, precision screwdriver, hex key, pliers, hammer, tape measure, combination wrench,adjustable wrench, stripper, hardware kit, sockets rachat drive handle, socket.Convenient Storage - The tools are well organized in a sturdy aluminum box with 3 drawers. It allows you to store tools in order,and carry it out for working easily 【450 Piece Mechanics Tool Set】1/4in,3/8in and 1/2in Quick-release ratchets feature a fine, 45-tooth gear, providing a 8° arc swingUniversal various of sockets are constructed of chrome vanadium steel, heat treated for strength and durability, bright Chrome-plated surface that allows you to easily identify your universal tools in your tool box or on your work benchWith stamped marking for you to quickly identify metric and SAE socket sizesAll tools are neatly organized in a sturdy blow-molded case for easy storage and transportationAll tools meets or exceeds ANSI standards Including: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 case16PC 1/4" Dr. Bit sockets; 15PC 3/8" Dr. Bit sockets40PC 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",12pt21PC 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",6pt12PC nut driver:5mm、6mm、7mm、8mm、9mm、10mm、3/16"、1/4"、9/32"、5/16"、11/32"、3/8"30PC 3/8" Dr. 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",6pt28PC 3/8" Dr. 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",12pt5PC 3/8" SAE Dr. sockets:1/4"、5/16"、3/8"、7/16"、1/2", 8pt19PC 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、E1616PC 1/2" Dr.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",12pt4PC Dr. 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 30*108MM magnetic bit driver handle