Teng Tools 1/4 Inch Drive Extension Bar 50-305 mm - Socket Extension, Ball Detent, Chrome Vanadium, DIN3123B, Socket Clip - Choose Your Size
- Fast US dispatch from our Fort Worth, Texas warehouse
- Genuine Teng Tools — professional-grade, designed in Sweden
- Secure checkout — encrypted payment, trusted providers
- Backed by guarantee — built to last a working lifetime
Teng Tools 1/4 in drive extension bars, sold individually in five lengths: 50, 75, 100, 150 and 305 mm. Choose your size above.
- Made from chrome vanadium steel
- Retention groove for ball detent that secures the connection of the extension bar to the drive end
- Ball detent on the male end to securely grip the socket
- Designed and manufactured to DIN3123B
- Supplied with a metal socket clip for use with a socket rail
Specifications
| Type | Extension bar |
| Drive | 1/4 in |
| Material | Chrome vanadium (CrV) |
| Lengths | 50, 75, 100, 150, 305 mm |
| Standard | DIN3123B |
Sizes
| Size | Part number | Weight |
| 50 mm (1.9 in) | M140020-C | 21 g (0.7 oz) |
| 75 mm (2.9 in) | M140023-C | 31 g (1.0 oz) |
| 100 mm (3.9 in) | M140021-C | 42 g (1.4 oz) |
| 150 mm (5.9 in) | M140022-C | 64 g (2.2 oz) |
| 305 mm (12.0 in) | M140024-C | 130 g (4.5 oz) |
Also part of 17 tool kits
- T1435AF Teng Tools 35 Piece 1/4 Inch Drive SAE Socket Wrench Set - 6 Point Sockets, Bits, Ratchet and Case - T1435
- T1436 Teng Tools 1/4 Drive Metric Ratchet Set — 36-Piece CrV Sockets, Deep Sockets, Bits and Extensions in Case - T1436
- T1460 Teng Tools Mecca Pro 60 Piece 1/4 Drive Metric Socket Set and SAE 6 Point CrV Sockets Bits Ratchet - T1460
- TC187 Teng Tools 187 Piece Mechanics Portable Barn Style Tool Kit - TC187
- TED1489 Teng Tools 89-Piece 1/4 Inch Drive Socket Wrench Set - 6 Point Metric Sockets, Bits, 72-Tooth Ratchet, Foam Tray - TED1489
- TELSK113 Teng Tools Socket Set 1/4" & 3/8" FOAM6X6 113 Pieces — TELSK113
- TELSK168 Teng Tools General Service Tool Set FOAM6X6 168 Pieces — TELSK168
- TELSK76 Teng Tools Socket Set 1/4" & 1/2" FOAM6X6 76 Pieces — TELSK76
- TM095 Teng Tools MECCA PRO 95 Piece 1/4 and 1/2 Drive Socket Set - Chrome Vanadium Mechanic Tools Kit for Maintenance and Repair - TM095
- TT1435 Teng Tools 35 Piece 1/4 Inch Drive Metric 6 Point Shallow & Deep Socket Set - TT1435
- TT143512 Teng Tools 35 Piece 1/4 Drive Metric Socket Set 4-13 mm 12 Point Chrome Vanadium Ratchet Deep Sockets Bits TT1 Tray - TT143512
- TTDTD34 Teng Tools 34-Piece Metric Tap and Die Set - M3 to M12 Taps, Dies, Drill Bits and Screw Extractors in TT2 Tray - TTDTD34
- TTESK126 Teng Tools 126 Piece 1/4 and 1/2 Inch Drive Regular and Deep Socket and Accessories Set - TTESK126
- TTESK67 Teng Tools 67 Piece 1/4 Socket Set, 3/8 and 1/2 Drive Metric Sockets in EVA Foam Module - Tool Kit for Car and Workshop (TTESK67)
- TTESK73 Teng Tools 73 Piece 1/4, 3/8 & 1/2 Inch Drive EVA Foam Socket Set - TTESK73
- TTESK86 Teng Tools 86 Piece 1/4 & 3/8 Inch Drive 6 Point Regular/Shallow & Deep Foam Socket Set - TTESK86
- TTEX219 Teng Tools 219-Piece General Service Mechanic Tool Kit - Torque Wrenches, Drill Bits, Taps, Dies, Rivet Gun, Nutsert Gun - TTEX219
Kits shown in red are available to buy.
Specifications
| Type | Sockets & Accessories |
|---|---|
| Category | Socket Accessories |
| Drive size | 1/4" |
| Part number | M140021-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.
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.