SATA 12903 3" (75mm) wobble extension bar, 3/8" drive, view 2

SATA 12903–12905 wobble extension bar, 3/8" drive, 3", 6" and 10" lengths

SATA 12904 6" (150mm) wobble socket extension, 3/8" drive, view 3

SATA 12905 10" (250mm) wobble drive extension, 3/8" drive, view 4

SATA 12903–12905 Wobble Extension Bar 3/8" Drive 3", 6" & 10"

SKU: SATA12903

RM19.34

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Next-day delivery (West Malaysia). Order before 4pm.

Lifetime Warranty See warranty terms

Size

3" (75mm) SATA12903 6" (150mm) SATA12904 10" (250mm) SATA12905

Techno Tools & Equipment's provide same day delivery

Product Overview

The SATA 12903–12905 3/8" Dr. Wobble Extension Bar extends a ratchet's reach into recessed or hard-to-line-up fasteners, with a drive tip that can angle slightly off-axis without losing its grip on the socket — useful when a bolt sits at a slight angle or behind an obstruction that won't let a rigid extension seat straight. Once a socket is inserted, it also functions as a standard rigid extension, so it doesn't cost you anything in stability where the wobble isn't needed. Machined from chrome vanadium steel and available in three lengths — 3" (75mm), 6" (150mm), and 10" (250mm) — to match the reach a job calls for.

Key Features

Wobble drive tip — lets the socket angle off-axis to reach fasteners a rigid extension can't line up with
Doubles as a standard extension — full rigidity and turning power once a socket is seated
Three lengths (3", 6", 10") — match reach to the job without over-extending
Chrome vanadium steel construction — heat-treated for durability under repeated torque
Knurled grip section — secure handhold when steadying the bar during use
3/8" square drive — compatible with standard 3/8" ratchets and breaker bars
SATA lifetime warranty — backed by one of the most trusted names in professional hand tools

Specification Table

SKU	Length	Overall Length L (mm)	Drive	Function	Pcs/Pack
SATA12903	3"	75	3/8"	Wobble / standard extension	6
SATA12904	6"	150	3/8"	Wobble / standard extension	6
SATA12905	10"	250	3/8"	Wobble / standard extension	6

Warranty: 30 days from purchase date

Made in China. Dimensions are approximate and may vary slightly within manufacturing tolerance.

Available Options (Variants)

Select your length from the dropdown:

Option	SKU
3" (75mm)	SATA12903
6" (150mm)	SATA12904
10" (250mm)	SATA12905

Package Contents

1 × SATA 3/8" Dr. Wobble Extension Bar (length as selected)

Warranty Terms

Lifetime Warranty. This SATA extension bar is covered against manufacturing defects in materials and workmanship when used as intended. The warranty does not cover damage from misuse, use with power or impact tools, bending or torque overload beyond rated capacity, normal wear, or cosmetic wear.

SATA 3/8" Drive Extension Bar comparison: Wobble vs Locking vs Flexible

Spec	SATA 12903–12905 Wobble (this model)	SATA 12906–12908 Locking	SATA 12922 Flexible
Type	Wobble extension	Locking extension	Flexible extension (flex shaft)
Lengths	3", 6", 10" (75 / 150 / 250mm)	3", 6", 10" (75 / 150 / 250mm)	150mm (single length)
Off-axis reach	Slight angle at the drive tip	Straight only	Shaft bends around obstructions
Socket retention	No locking device	One-hand spring-loaded lock	–
Best for	Bolts that sit slightly off-line or behind an obstruction	Overhead and engine-bay work where a dropped socket is a risk	Fasteners with no straight-line access at all

Compatible Accessories

SATA 12971 Quick-Release Teardrop Ratchet 3/8" – everyday 3/8" drive ratchet to turn the extension
SATA 12972 Quick-Release Ratchet 3/8" with Grip – 200mm ratchet with comfort grip for extra leverage
SATA 12912 Universal Joint 3/8" – add a full joint when the wobble angle isn't enough
SATA 12913 / 12914 Socket Adaptor 3/8" – fit 1/4" or 1/2" sockets to the 3/8" drive

Works with

Why Choose SATA?

SATA has grown into one of the fastest-growing premium-quality mechanics' hand tool brands in the world over the past two decades. Trusted by automotive technicians and industrial professionals across more than 50 countries, SATA tools are manufactured in ISO 9001–certified facilities and meet or exceed ANSI and DIN standards. In 1999, SATA became the first hand tool manufacturer in China to offer a lifetime warranty on its products — a commitment to quality and durability that professionals rely on every day. As part of Apex Tool Group, SATA combines global manufacturing scale with a singular focus on performance, precision, and long-term reliability.

✅ ISO 9001–certified manufacturing
✅ Meets or exceeds ANSI / DIN standards
✅ Lifetime warranty on covered products
✅ Trusted by professional mechanics in 50+ countries
✅ Precision-engineered for consistent, reliable performance

Warranty Terms

All SATA products, unless otherwise stated, are warranted against manufacturing defects in materials and workmanship, subject to intended use and fair wear and tear.

Product Category	Period
Hand Tools	Lifetime
Torque Products	Calibration: 90 days Tool: 1 year
Bits, Bit Holders, Bit Sockets, Extensions, Taps & Dies, Files & Cutting Tools	30 days
Accessories, Cases, Pouches, Toolboxes & Consumables	1 year

Warranty periods start from the purchase date.

Warranty period	Lifetime Warranty
Coverage	Free repair or replacement for functional faults arising during normal use. No time limit.
Not covered	Wear beyond the tool's normal service life; rust, plating wear, surface scratches or handle damage that does not affect function; parts marked as consumables in the SATA catalogue (e.g. coloured sleeves, brackets, power bars); packaging.
Warranty void if	Damage from misuse or abnormal operation (e.g. striking, prying, using hand sockets on impact tools, exceeding the tool's rated capacity); the product has been machined or modified, or parts have been replaced, lost or are incomplete.

Bring the product to Techno Tools as an authorised SATA dealer. SATA repairs the product first and replaces it if repair is not possible.