Teng Tools 1/4" Drive Bits Driver Extension
- Fast US dispatch from our Fort Worth, Texas warehouse
- Genuine Teng Tools — professional-grade, designed in Sweden
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- Backed by guarantee — built to last a working lifetime
A 100mm rigid extension for 1/4" hex bits, providing extra reach for accessing recessed fasteners.
Sizes & specifications
| Size | Part no. | Length | Weight |
|---|---|---|---|
| 100mm | TTMD74-1 | 3.9" (100 mm) | — |
| 141mm | TTRSD15-141 | 5.6" (141 mm) | — |
| 150mm | TTMD74-2 | 5.9" (150 mm) | — |
| 238mm | TTRSD15-238 | 9.4" (238 mm) | — |
Lengths and weights in US units with metric in parentheses, straight from official Teng Tools data.
Also part of 5 tool kits
- TEDSD14 Teng Tools 95 Piece 1-5Nm Torque Screwdriver, Impact Driver & Assorted Bit EVA Foam Tray - TEDSD14
- TTEMD114 Teng Tools 114 Piece EVA Foam Screwdriver, Bit & Pliers Master Set - TTEMD114
- TTEMD98N Teng Tools 98 Piece Torx, Flat, Phillips, Pozi, Hex, Insulated Screwdriver and Bits Set - TTEMD98N
- TTMD74 Teng Tools 74 Piece 1/4 Inch Drive Ratcheting Bits Driver, Extension & Adaptor Set - TTMD74
- TTMDR84 Teng Tools 84 Piece 1/4 Inch Drive Socket, Bit and Ratcheting Chuck Screwdriver Set - TTMDR84
Kits shown in red are available to buy.
Specifications
| Type | Bits |
|---|---|
| Category | Bit Adaptor |
| Drive size | 1/4" |
| Part number | TTMD74-2 |
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.