308-Piece Master Mechanic Tool Set · Heavy-Duty Workshop Kit

Engineered for professional-grade durability, this 308-piece collection delivers full-coverage fastening capability for SAE and metric hardware. The impact-resistant storage case keeps tools organized during transport and rapid job-site changes.

Key Performance Features

• Comprehensive workshop set — handles automotive, plumbing, and assembly work
• Dual measurement system: SAE (inch) + metric (mm) for universal fitment
• Three drive sizes: 1/4", 3/8", and 1/2" to cover low to high torque applications
• Heat-treated CRV steel alloy for maximum wear resistance
• Heavy-duty reinforced case with secure latches and integrated handle
• Compact layered organization reduces time searching for tools

Detailed Specifications

• Colorway: Black & silver nickel finish
• Material Composition: Chrome vanadium steel + impact-grade PE case
• Drive Sizes: 1/4-inch, 3/8-inch, 1/2-inch
• Carrying Case: Included — blow-molded with metal latch system
• Case Dimensions: 24.21 × 17.2 × 3.74 inches
• Total Net Weight: 43.19 lbs (19.6 kg)
• Socket Range (Metric): 4mm – 24mm
• Socket Range (SAE): 5/32" – 1"

What's Inside — Full 308-Piece Inventory

• Quick-release ratchet handles (1/4", 3/8", 1/2" drives) — 3 pieces
• Deep & standard sockets: SAE and metric — 112 pieces
• Combination wrenches (metric & inch) — 22 pieces
• Hex key set, torx bits, and screwdriver bits
• Spark plug sockets, universal joints, and couplers
• Extension bars (3", 6", 10") and sliding T-bar adapters
• Magnetic pickup tool and precision bit driver
• Heavy-duty foam-lined carrying and storage case

Each component is designed for high-cycle use in garage environments, construction sites, or roadside assistance. The 72-tooth ratchet mechanism provides a minimal 5-degree working arc, allowing fastening in tight engine compartments. Corrosion-resistant coating protects against moisture and workshop fluids.

With 308 pieces at your disposal, this tool system eliminates the need for supplementary kits. From suspension work to furniture assembly, the set delivers professional-grade torque transmission and precise fastener engagement. The portable case doubles as a workstation organizer, reducing clutter and lost tools.