Park Tool ATD-1.2 Adjustable Torque Driver, 4–6 Nm

The Park Tool ATD-1.2 is a mechanical adjustable torque driver for tightening suitable fasteners to one of five listed torque settings between 4 and 6 Nm. Its narrow range is aimed at controlled work on lighter bicycle components rather than general-purpose high-torque jobs.

At a glance

Provides five selectable settings from 4 to 6 Nm when rotating clockwise, according to the listing.
Designed to limit torque applied to fasteners to help prevent overtightening and damage to lightweight components.
The all-metal internal construction is a manufacturer claim, not an independently verified durability assessment.

Price

£51.79Save 15%

Reference price: ~~£60.98~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

Five defined torque settings suit tasks where a narrow, repeatable torque range is useful.
The mechanical T-handle format keeps the tool simple to operate without a digital interface.
Customer feedback reports ease of use and usefulness for bicycle-component maintenance.

Cons

The 4–6 Nm range is limited, so it will not cover jobs requiring torque outside those settings.
The customer feedback notes that the bit holder lacks a ratchet option.

Technical specifications

18 specifications

Identity
Brand	Park Tool
Model	QKATD12
Colour	Blue

Torque and operation
Listed torque	6 Newton Meters
Minimum adjustment	4 Newton Meters
Available settings	4, 4.5, 5, 5.5, or 6 Newton Meter (Nm)
Operating direction for listed settings	Clockwise
Operation mode	Mechanical
Measurement standard	Metric

Form and dimensions
Head style	Hex
End style	Torx End
Handle style	T-Handle
Length listed	0.18 Metres
Weight listed	0.3 Kilograms

Materials and finish
Material listed	Aluminium
Finish	Polished
Internal construction claim	All metal internal construction for long life
Non-sparking	No

What to know before buying

The listing says the tool applies the stated settings clockwise. Confirm that this direction and the available torque steps suit the fasteners you intend to work on.

What’s in the box

Included

Power tools

Who is it for?

A good fit for

Bicycle owners who need a mechanical driver for components with torque requirements in the listed 4–6 Nm range.
Buyers seeking a simple tool with a T-handle style and defined clockwise settings.

Less suited to

Anyone needing a wider torque range, reverse-direction torque application or an included ratcheting bit holder.
Buyers who need a listed accuracy tolerance or confirmed included bit selection, as neither is specified here.

Park Tool ATD-1.2 Adjustable Torque Driver, 4–6 Nm · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 1,596 ratings

5 stars79%79%
4 stars15%15%
3 stars4%4%
2 stars0%0%
1 star2%2%

Customer feedback describes the driver as well made, easy to use and useful for common bicycle components, with a specific mention of cockpit maintenance. The 4–6 Nm settings align with that reported use, but the narrow range limits broader jobs. Opinions on value are mixed, and feedback also flags the lack of a ratchet option in the bit holder.