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Set of thin metal feeler blades in a metal holder, high carbon steel

PRECISION

PRECISION 19821 Feeler Gauge High Carbon Steel Assortment

SKU CH-5D6K-A1AQ1

High-carbon steel feeler gauge set with blades from 0.0015 to 0.035 inch and 0.038 to 0.889 mm for precise gap measurement

  • High-carbon steel blades resist wear for long service life
  • Twenty-six thickness options cover precise gap measurement from 0.038 mm to 0.889 mm
  • Dual-marked imperial and metric values simplify workshop use
  • Compact assortment fits in toolbox for quick access
  • New condition ensures full factory accuracy out of the box

Precision Feeler Gauge 19821

This 25-blade feeler gauge set is built from high-carbon steel for mechanics and electricians who need accurate gap measurements during assembly, adjustment or maintenance work. The assortment covers a wide range of clearances found in automotive, industrial and electrical applications.

Thickness range .0015 in to .035 in

The thinnest blade measures .0015 inch while the thickest reaches .035 inch, giving a practical span for most valve, contact and spark-plug gaps. Blades outside this interval require a separate gauge set.

25 blades cover common service gaps

The set handles clearances from .038 mm to .889 mm in graduated steps, suiting routine ignition, valve-train and relay adjustments. Extremely fine shims below .038 mm or heavy shims above .889 mm are not included.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 88% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand namePRECISION BRAND

Questions about this item

Which thickness assortment should I choose for general gap-checking tasks?

The set supplies 25 blades covering 0.0015 in to 0.035 in and 0.038 mm to 0.889 mm, giving a continuous range for most feeler-gauge jobs.

What do the inch and millimetre markings mean when I slide a blade into a gap?

Each blade is stamped with its thickness in both inches and millimetres so you can read the exact clearance without conversion.

How does the high-carbon steel construction affect durability in daily workshop use?

High-carbon steel resists bending and holds its calibrated thickness through repeated insertion and withdrawal.

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