About This Important Opening Instruction: To maintain neatness and prevent accidental spillage of the sockets, always open the case with the "108pcs" letters facing upwards. Note to Customers:This is a comprehensive metric socket set. The toolkit features a 3/8" and 1/4" dual-drive system, providing compatibility with different tools. The set includes a range of sockets in both 1/4" and 1/2" sizes to cover your various needs. CR-V Construction:rafted from heat-treated Chromium Vanadium steel, this heavy-duty socket set meets your need for ideal torque resistance and corrosion protection – ideal for car repair tool kits, mechanic tool sets, and rugged motorcycle/bicycle tool kits. 3/8" & 1/4" Dual-Drive System:Includes 108 precision ratchet wrench set components: 17pcs1/2" Dr.Socket,13pcs 1/4"Dr.Socket,8pcs 1/4"Dr.Deep Socket,5pcs 1/2"Dr.Deep Socket,pcs 1/2" Dr. Extension Bar,2pcs 1/4" Dr. Extension Bar,2pcs 1/2" Dr.Spark Plug Socket,18pcs Bit Socket,17pcs Screwdriver Bits,2pcs 1/2"Dr.& 1/4"Dr. Ratchet Handle,2pcs Universal Joint :1/2" Dr.& 1/4" Dr.,1/2" Dr.T-Bar Adapter,1/4" Dr.Sliding Bar, Spinner Handle,3pcs Hex Key Wrench ,Coupler. Compact Blow-Molded Storage:Organized in a crush-resistant case with custom-fit slots, this portable tool set ensures quick access to every socket, wrench, and ratchet set accessory – perfect for garages, job sites, or on-the-go repairs. Multi-Application Versatility:Engineered for DIY projects, vehicle maintenance (car/motorcycle/bike repair tool kits), and workshop tasks, with laser-etched sizing and ergonomic ratchet screwdriver set handles for accuracy in tight spaces. Gift-Ready:Backed by replacements for sockets or ratchet wrenches, this professional mechanics tool kit doubles as an ideal gift for holidays, birthdays, or garage upgrades. Overview Brand : TLGREEN Material : Chrome Vanadium Steel Item Length : 14.6 Inches Item Weight : 11.9 Pounds Item Package Quantity : 1