Teng Tools 3/8 Inch Drive Flexible Spark Plug Socket 16 or 21 mm - Rubber Insert Holds the Plug, 6 Point, Chrome Vanadium - Choose Your Size
Teng Tools 3/8 Inch Drive Flexible Spark Plug Socket 16 or 21 mm - Rubber Insert Holds the Plug, 6 Point, Chrome Vanadium - Choose Your Size
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Data sheets (2 PDFs)
Teng Tools 3/8 inch drive flexible spark plug sockets, sold individually in two sizes: 16 and 21 mm. Choose your size above.
- Chrome vanadium
- Rubber insert holds the spark plug in place to prevent it dropping
- Satin finish for a better grip when handling the socket
- 6 point single hexagon socket for a better grip
- Retention groove for ball detent that secures the connection of the socket to the drive end
- Supplied with a metal socket clip for use with a socket rail
Specifications
| Drive | 3/8 in |
| Head | Flexible |
| Profile | 6 point |
| Insert | Rubber, holds the spark plug |
| Material | Chrome vanadium |
Sizes
| Size | Part number | Length | Plug thread |
| 16 mm | M380041-C | 85 mm (3.3 in) | M10 |
| 21 mm | M380047-C | 91 mm (3.5 in) | M14 |
Specifications
| Type | Auto Tools |
|---|---|
| Category | Standard Sockets |
| Drive size | 3/8" |
| Point | 6 Point |
| Part number | M380041-C |
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.
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Swedish Design Since 1985
Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.
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Something goes wrong? Send a photo and your order number — same-day shipping on replacements.
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Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.