Conquer any task with this comprehensive 221-piece mechanics tool set. Constructed from durable alloy steel with heat treatment and chrome plating, this kit offers unmatched strength and corrosion resistance, built to withstand demanding work environments. It includes both SAE and metric sockets (3/8" and 1/4" drive) alongside essential tools like ratchet handles, hex wrenches, extension bars, bits, screwdrivers, and pliers. Clearly marked socket sizes ensure quick identification, even in low light. Extension bars enhance accessibility in tight spaces. Precision screwdrivers and bits are ideal for delicate tasks. Pliers deliver strong cutting power for various materials. This versatile kit is perfect for automotive repair, machine maintenance, and DIY projects. The included plastic storage case keeps everything organized and protected for convenient portability. Dimensions of case: 16.5 x 12.6 x 4.1 inches. Weight: 12.3 lbs. Material: Alloy Steel, Chrome Vanadium Steel. Socket Drive Size: 1/4 inch, 3/8 inch. System of Measurement: SAE, Metric. Bit Type: Phillips, Slotted, Torx, Hex.