Teng Tools 3/8 Inch Drive Insulated Extension Bar for Live Electrical Work - Insulated Socket Extension, 75 mm (3 in) and 150 mm (5.9 in)
- 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
Data sheets (2 PDFs)
Reach a fastener inside a panel or enclosure without taking your hands closer to energized parts. This 3/8 inch drive extension bar is fully insulated to protect the operator when working on or near live electrical components.
It is designed for use with the Teng Tools 3/8 inch drive insulated ratchet and socket system. Choose 75 mm (3 in) for tight spaces or 150 mm (5.9 in) for deeper reach.
- 3/8 inch drive insulated socket extension
- Fully insulated to protect the operator near live electrical components
- Two lengths: 75 mm (3 in) and 150 mm (5.9 in)
- Designed for the Teng Tools 3/8 inch drive insulated ratchet and socket system
Sizes & specifications
| Size | Part no. | Length | Weight |
|---|---|---|---|
| 75mm | MV380020 | 3.0" (75 mm) | 2.7 oz (77 g) |
| 150mm | MV380021 | 5.9" (150 mm) | 4.8 oz (135 g) |
Lengths and weights in US units with metric in parentheses, straight from official Teng Tools data.
Also part of 5 tool kits
- TEDV3818 Teng Tools 18 Piece 3/8 Socket Set — Insulated Sockets with Foam2 Tool Control Organizer for Electrical Work - TEDV3818
- TEFSKV19 Teng Tools 19 Piece 1000 Volt Insulated 3/8 Inch Drive 6 Point Shallow Socket, Extension Bar, Ratchet & Plier EVA Foam Tray - TEFSKV19
- TEFSKV19NZ Teng Tools Insulated Socket & Pliers Set FOAM3 19 Pieces NZ — TEFSKV19NZ
- TEFXV27 Teng Tools 27 Piece Insulated Torque Screwdriver and Socket Set 1000V FOAM3 Module With Flat Phillips Pozi Blades - TEFXV27
- TEFXV28 Teng Tools 28 Piece Insulated Screwdriver Set & 3/8 Inch Drive Socket Module 1000V FOAM3 Electrician Tool Kit - TEFXV28
Kits shown in red are available to buy.
Specifications
| Type | Insulated Tools |
|---|---|
| Category | Socket Accessories |
| Insulated | Yes |
| Part number | MV380021 |
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.