31 in 1 Professional maintenance tool set JM-6121

The JM-6121 Professional Maintenance Tool Set is a comprehensive 31-piece toolkit engineered for professional technicians, automotive specialists, household repair experts, and serious DIY enthusiasts. The set is built around a rapid-adjust ratchet handle that allows precise angle changes during use, dramatically increasing working speed and efficiency in tight or awkward spaces.

The kit includes a complete socket set ranging from M5 to M13, allowing the user to handle the vast majority of nuts and bolts found in furniture, electronics, appliances, and vehicles. A wide selection of bright chrome bits in Phillips, Slotted, Torx, Hex, Pozi, and Pentalobe (Star) profiles ensures compatibility with virtually every screw type encountered in modern devices and machinery. From large H6.3 × 60mm bits for heavy-duty work to delicate H4 × 45mm precision bits for small electronics and gadgets, the JM-6121 covers an unusually broad range of applications in a single compact case.

A 150mm flexible extension bar makes it easy to reach fasteners in confined or hard-to-access locations, while a 100mm rigid extension bar provides extra reach in straight-line applications. The included magnetizer/demagnetizer area allows the user to quickly add or remove magnetism from any bit, helping to keep small screws securely attached to the bit during installation or removal — a particularly valuable feature when working on electronics, laptops, and small appliances.

All bits are forged from premium CR-V (Chrome Vanadium) steel, known for its superior hardness, torque resistance, and long working life. The entire set is housed in a high-strength black and orange storage case with a collision-resistant design, protecting the tools from drops, knocks, and external shock during transport — making it ideal for field technicians and mobile repair professionals.

Specifications

• Model: JM-6121
• Total Pieces: 31-in-1
• Color: Black & Orange
• Bit Material: CR-V (Chrome Vanadium) Steel
• Storage Case: High-strength impact-resistant box
• Case Dimensions: 227 × 175 × 54 mm
• Single Gross Weight: 1.100 kg
• Certification: CE Certified
• MOQ: 10 sets
• Service: OEM & ODM available

Included Accessories:

1/4" × 25mm Sockets (9 pcs):

• M5, M6, M7, M8, M9, M10, M11, M12, M13

Bright Chrome Bits H6.3 × 60mm (12 pcs):

• Torx: T9, T10, T15, T20, T25, T30
• Slotted: 5.0, 6.0
• Phillips: 5.0, 6.0
• Hex: H5, H6
• Pozi: PZ1, PZ2

Precision Bits H4 × 45mm (6 pcs):

• Phillips: 1.0, 1.5
• Slotted: 2.0
• Pentalobe (Star): 0.8, 1.2
• Torx: T2

Other Accessories:

• 150mm Flexible Extension Bar
• 100mm Rigid Extension Bar
• Magnetizer / Demagnetizer Area
• Marble Connector
• Ratchet Handle

Applications

• Household Appliance Repair — refrigerators, washing machines, microwaves
• Furniture Assembly and Disassembly — IKEA-style and modular furniture
• Automotive Maintenance — interior panels, bolts, and accessory installation
• Electronics Repair — laptops, smartphones, tablets, and game consoles
• PC and Hardware Servicing — desktops, peripherals, and case modding
• Small Appliance and Power Tool Maintenance
• HVAC Installation and Service Tasks
• DIY Home Improvement and Renovation Projects
• Bicycle and Motorcycle Light-Duty Repairs
• Field Technician Service Calls for IT and electronics
• Robotics and Drone Building Workshops
• Educational Workshops and Vocational Training Labs