INGCO 139-Piece Professional Mechanical Tool Kit (Coffret à Outils) – Chrome Vanadium (Cr-V) & S2 Steel, Triple-Drive System (1/4", 3/8", 1/2"), and Heavy-Duty Blow-Molded Carrying Case (HKTHP21391)

Performing complete automotive overhauls, complex machinery maintenance, or industrial assembly requires a vast array of specialized sockets, drivers, and fasteners that are rarely found in standard basic tool sets. Relying on piecemeal tool collections leads to missing sizes, incompatible drive fittings, and lost hardware. The INGCO HKTHP21391 139-Piece Professional Combination Tool Set (Coffret à Outils) is an all-in-one mechanical workshop solution engineered for high torque capacity, comprehensive metric coverage, and professional-grade durability. Forged from high-performance Chrome Vanadium (Cr-V) and S2 alloy steel, each component undergoes precision heat treatment to resist rounding, shearing, and corrosion under intense daily use.

The diagnostic versatility and mechanical performance of this 139-piece master set rely on its triple-drive configuration (1/4", 3/8", and 1/2"), extensive socket range, and organized blow-molded storage case. Including quick-release ratchets, deep-well impact sockets, spark plug drivers, and a massive selection of industrial-grade S2 steel bits, this kit ensures the right tool is available for every fastener type. Secured in a heavy-duty, impact-resistant carrying case with labeled interior slots for rapid tool identification, the HKTHP21391 equips auto mechanics, field service technicians, plant maintenance crews, and professional DIYers with a complete heavy-duty mobile workshop.

Key Features

• Comprehensive 139-Piece Metric Assortment – Full professional-grade selection covering 1/4", 3/8", and 1/2" drive requirements for automotive and industrial repair.

• High-Grade Cr-V & S2 Alloy Steel – Components forged from premium Chrome Vanadium and S2 steel for maximum hardness, torsional strength, and longevity.

• Triple-Drive System (1/4", 3/8", 1/2") – Provides extreme versatility, from delicate interior fasteners to heavy-duty suspension and chassis bolts.

• Precision-Engineered Ratchets – Three professional quick-release ratchets feature smooth gear action for minimal arc swing in confined engine bays.

• Specialized Impact & Deep Sockets – Includes hardened impact sockets for high-torque pneumatic use and deep sockets for reaching recessed spark plugs and nuts.

• Organized Blow-Molded Case – Heavy-duty carrying case features custom-molded, labeled compartments to keep tools secure, organized, and portable.

Technical Specifications

• Brand: INGCO

• Model: HKTHP21391

• Product Type: Professional Combination Tool Set / Coffret à Outils

• Total Piece Count: 139 Pieces

• Drive Sizes: 1/4", 3/8", 1/2"

• Material Composition: Heat-Treated Cr-V (Chrome Vanadium) & S2 Steel

• Storage Solution: Heavy-Duty Portable Blow-Molded Carrying Case

• Unit Total Weight: Approx. 11.6 kg

• Packaging Presentation: Packed by Blow-Molded Case + Color Sleeve

• Primary Target Applications: Automotive engine repair, heavy machinery maintenance, plant industrial assembly, fleet service, and general mechanical contracting

Ideal For

Professional mechanics, industrial maintenance engineers, construction contractors, fleet managers, and serious automotive enthusiasts requiring a high-capacity 139-piece master tool set.

Package Includes

• Drive Tools: 3x Quick-Release Ratchets (1/4", 3/8", 1/2"), 1x 1/4" Spinner Handle, 1x 1/2" L-Handle, 2x Sliding T-Bars, 3x Universal Joints.

• Sockets: Full range of 1/4", 3/8", and 1/2" Hex, Deep, Star (E-type), and Spark Plug sockets.

• Bits: Comprehensive set of Slotted, Phillips, Pozidriv, Hex, and Torx (T20-T55) bits.

• Wrenches/Keys: 10x Combination Spanners (8-19mm) and 8x Hex Key Set (1.5-6mm).

• Storage: 1 x Heavy-Duty Blow-Molded Carrying Case