Teng Tools Metric Feeler Gauge 0.05-1.0mm — 100 mm Blade Length, Thickness Measurement for Valves and Spark Plugs - FG13100
Gauges · FG13100
Metric Feeler Gauge 0.05-1.0mm
100 mm Blade Length, Thickness Measurement for Valves and Spark Plugs
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Why this one
Blade range
This tool covers thicknesses from 0.05 mm to 1.0 mm, giving you the spread you need for spark plug gap work, valve lash checks, and contact-point inspection.
Compact and accessible
At just 52 g (approximately the same in ounces), this tool is light enough to carry all day and small enough to reach into confined areas around cylinder heads, throttle bodies, and distributor housings.
Clear markings for fast reads
Every blade is stamped with its metric dimension, eliminating guesswork when you are measuring gap width or thickness on the job.
Practical everyday design
The blades pivot on a central post and fold into a protective holder that keeps edges aligned and shielded when the tool rides in your pocket or rolls around a drawer.
Use across the shop
Beyond engine work, this tool earns its keep whenever you need to verify a narrow clearance: checking deck height on a block, setting electrode gaps on industrial ignition systems, or confirming flatness between a straight edge and a machined surface.
Read the full description
Teng Tools builds this metric blade-style measuring tool to handle the clearance checks professional technicians face every day. With blades spanning 0.05 mm to 1.0 mm and a 100 mm blade length, it fits comfortably in your hand and reaches into the tight spots common in modern engine bays.
Each blade is individually stamped with its metric thickness, so identification is instant even under the hood on a dim shop floor. The fan-style holder keeps every blade organized and protected when the tool is closed, and lets you isolate a single blade — or stack several — to match the exact clearance you need.
Weighing just 52 g, this tool adds almost nothing to your carry weight yet covers a wide measurement range. Use it for valve lash, spark plug electrode gaps, piston ring end-gap, contact-point settings, bearing clearances, and surface-flatness verification against a straight edge.
Whether you work on cars, motorcycles, marine engines, or industrial machinery, accurate clearance measurement is fundamental to correct assembly. A reliable gap-checking tool belongs in every technician's kit, and the Teng Tools name means you are reaching for a brand that professional tradespeople around the world trust for precision hand tools.
Specifications
| Type | Measuring Tools |
|---|---|
| Category | Gauges |
| Part number | FG13100 |
Data sheet
Full details from Teng Tools. Download PDF
Lifetime warranty
Send a photo and your order number. Same-day shipping on replacements.
Ships from Texas
From our Fort Worth warehouse.
Questions?
Call (817) 767-3392.
Shipping
Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.
Lifetime warranty
Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.
Returns
Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.
Why Teng Tools?
Swedish Design Since 1985
Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.
Shipped Fast from Texas
US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.
Lifetime Warranty
Something goes wrong? Send a photo and your order number — same-day shipping on replacements.
The Devil Is in the Detail
Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.