Set includes 3 ratchets, 48-1/4" drive deep and standard SAE and metric sockets, 44-3/8" drive deep and standard SAE and metric sockets, 15-1/2" drive deep and standard SAE and metric sockets, 2 spark plug sockets, 10 standard combination wrenches, 4 extensions, 40 hex keys, 1 spinner handle, and 1 magnetic bit driver with 51 screwdriver and nut driver bits 12-point design provides added torque while preventing fastener damage Wrenches feature a 15 offset box end angle, providing clearance and increased leverage Magnetic bit driver with 40 bits covers the most commonly used screws and bit fasteners Precision forged from chrome vanadium steel for optimum strength and durability Large laser-etched callouts for clear and pronounced size identification Organized in a fitted blow molded case for easy transport and storage Removable pins on blow molded case create a hinge feature for convenient storage Control-Drive for maximum torque with less chance of fastener head rounding All Masterforce mechanics hand tools are designed for optimum strength and durability and manufactured to meet or exceed ANSI torque performance specifications. A full polished chrome finish provides long-lasting corrosion resistance. Dimensions 17.50 H x 12.75 W x 11.00 D Weight 29.25 lbs Drive Size 1/2 inch, 1/4 inch, 3/8 inch Socket Type Standard, Deep, Hex Bit System of Measurement SAE Metric Listing Agency Standards Meets or Exceeds A.N.S.I. load specifications Material Chrome Vanadium Steel Contact Points 12, 6