15 pcs Combination Feeler Gauge Set (12pieces)

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A 15pcs Combination Feeler Gauge Set is a precision measuring tool kit consisting of 15 individual thin metal blades or leaves, each marked with specific thickness measurements in thousandths of an inch or millimeters. These gauges are designed for accurately measuring the clearance or gap between two objects, such as engine components, to ensure proper fit and alignment. The combination aspect implies that the set includes a variety of thicknesses to cover a range of measurement needs, providing versatility for different applications. Feeler gauges are commonly used in automotive, engineering, and mechanical tasks where precise gap measurements are crucial.


1. 65Mn steel

2. 15 sizes blade

3. Each blade marked with SAE and metric scales

4. Packed by blister


 Combination Feeler Gauge Set Uses

  1. Engine Valve Adjustment: Feeler gauges are often used to measure the gap between the valve stem and the rocker arm in internal combustion engines. This is crucial for proper engine performance and efficiency.
  2. Spark Plug Gap Measurement: Ensuring the correct gap between the electrodes of a spark plug is essential for optimal ignition in internal combustion engines. Feeler gauges help in adjusting and verifying this gap.
  3. Automotive Brake Inspection: Feeler gauges can be used to measure the clearance between brake pads and rotors, ensuring that brakes are not excessively worn and are functioning correctly.
  4. Machinery Alignment: In mechanical and industrial settings, feeler gauges are employed to check clearances and alignments between machine components, ensuring smooth operation and preventing premature wear.
  5. Gasket Thickness Verification: When installing gaskets in automotive or plumbing applications, feeler gauges help verify that the gasket thickness is within the specified range to ensure proper sealing.
  6. General Mechanical Inspection: Feeler gauges are handy for general measurements in mechanical systems, including checking tolerances, clearances, and gaps in various components.
  7. Woodworking: In carpentry and woodworking, feeler gauges can be used to measure small gaps or clearances when fitting joints or ensuring proper alignment of components.
  8. Electrical Contacts: Feeler gauges are used to measure the gap or clearance in electrical contacts to ensure proper electrical conductivity.
  9. Aircraft Maintenance: In aviation, feeler gauges are used for tasks such as measuring clearances in engine components, ensuring proper alignment in control surfaces, and other precision maintenance activities.
  10. HVAC Systems: Feeler gauges are utilized in heating, ventilation, and air conditioning (HVAC) systems to measure clearances and gaps in components such as fan blades and motor assemblies.
SKU: AHS53741 Category:


15 PCs

Safety Precautions

  1. Wear Personal Protective Equipment (PPE): Depending on the task, consider wearing safety glasses or goggles to protect your eyes from any potential debris or particles that may be dislodged during measurements.
  2. Handle Tools Carefully: Treat the feeler gauges with care to avoid bending or damaging the thin metal blades. Be cautious when handling and storing the gauges to prevent accidental injuries.
  3. Choose the Right Tool for the Job: Select the appropriate feeler gauge blade size for your specific measurement. Using the wrong size can lead to inaccurate readings and potential damage to the tool or components.
  4. Inspect the Tool: Before use, inspect the feeler gauge set for any signs of damage, such as bent or distorted blades. Damaged blades can provide inaccurate measurements and compromise the integrity of the tool.
  5. Work in Well-Lit Areas: Ensure you have adequate lighting to clearly see the measurements and the components you are working on. This helps reduce the risk of errors and improves overall safety.
  6. Secure the Workpiece: When measuring gaps or clearances in moving parts, ensure that the machinery is safely secured or powered off to prevent accidental movement during measurement.
  7. Use the Tool as Intended: Feeler gauges are precision measuring tools, not pry bars or screwdrivers. Avoid using them for purposes other than measuring clearances to prevent damage to the gauges and potential injury.
  8. Mind Your Fingers: Exercise caution when inserting or removing feeler gauges in tight spaces. Be aware of the position of your fingers to avoid pinching or injuries, especially when working with components under tension.
  9. Clean and Store Properly: After use, clean the feeler gauges and store them in their designated case or pouch. This helps protect the blades from damage and ensures that the gauges are ready for accurate measurements the next time.
  10. Follow Manufacturer’s Instructions: Adhere to any specific safety guidelines provided by the manufacturer of the feeler gauge set. This may include information on maintenance, calibration, and usage recommendations.


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