MAXPOWER MXP257 Slim-Jaw Adjustable Wrench Set

Slim-Jaw: The MAXPOWER MXP257 is presented as a two-piece adjustable wrench set with slim jaws for access in confined spaces. Its listing claims metric and SAE scales, a soft grip and chrome vanadium steel construction, but gives conflicting size and jaw-opening details that buyers should resolve before choosing it.

At a glance

The listing describes a thin head for working in tight spaces and a deep jaw for recessed fasteners.
Metric and SAE scales are claimed on the front and back to help identify fastener sizes.
A smooth adjustment screw, precision-machined jaws and soft-grip handle are described in the feature text.

Price

£28.03Save 20%

Reference price: ~~£34.99~~

Price checked: 14 Nov 2026

View offer Ahead of Black FridayExplore the selection

Pros and cons

Pros

Slim-head and deep-jaw design is intended to improve access around confined or recessed fasteners.
Metric and SAE scales can help identify sizes without reaching for a separate gauge.
Chrome vanadium steel construction and soft-grip handle are stated in the listing.

Technical specifications

15 specifications

Identity
Brand	MAXPOWER
Model	MXP257
Set name	Slim Jaw Adjustable Wrench Set (2 Piece)

Dimensions and weight
Weight listed	0.65 Kilograms
Title size and maximum opening	MAXPOWER Slim Jaw Adjustable Wrench 150 250mm, Max Opening 34 50 mm
Feature description dimensions	The mouth with jaw capacity is designed to open up to 40 mm in width, total length of 20 cm.
Claimed head thickness	Thickness of only 4 mm.

Materials and finish
Material listed	Chrome Vanadium Steel
Finish listed	Powder Coated
Colour	Chrome

Features and operation
Measurement standard	Metric and SAE
Operation mode	Mechanical
Jaw style	adjustable
Non-sparking	No
Lanyard provision	And the lanyard compartment design allows for easy access when connected to a lanyard or hanging on the tool shelf.

What to know before buying

Listing details to confirm

The listing is inconsistent about configuration and dimensions: its title gives 150 and 250 mm with maximum openings of 34 and 50 mm, while a feature states one wrench is 20 cm long with a 40 mm opening. Other details call it a two-piece set, but the package inventory is absent. Confirm the selected set contents, individual lengths and jaw capacities before buying.

Who is it for?

A good fit for

DIY and household tasks where adjustable jaws and a slim profile may help reach fasteners in tight spaces.
Users who work with both metric and SAE fasteners and want scales shown on the tool.

Less suited to

Buyers who need a confirmed size and jaw-capacity specification before purchase.
Work requiring a non-sparking wrench, which the listing explicitly says this is not.

MAXPOWER MXP257 Slim-Jaw Adjustable Wrench Set · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 318 ratings

5 stars68%68%
4 stars16%16%
3 stars8%8%
2 stars3%3%
1 star5%5%

Customer feedback highlights perceived machining quality, versatility, adjustability and usefulness in tight spaces. These reports are relevant to the listed slim-head design, though they do not independently confirm its dimensions. Durability and jaw feel receive mixed feedback, including reports of loose jaws or excess play. Buyers relying on a close jaw fit may want to inspect adjustment and fit promptly.

Positive themes

Customers describe the wrench as well-machined, versatile and useful in tight spaces.
Feedback also appreciates its functionality, adjustability and value for money.

Mixed feedback

Durability impressions vary, with some describing it as strong and others saying it does not feel durable.
Jaw responsiveness and tightness are mixed, with reports of loose jaws and too much play.

Frequently asked questions

What is included in the set?

The listing calls it a two-piece set, but provides no explicit package inventory. Confirm the contents of the selected listing before ordering.

What are the wrench lengths and maximum jaw openings?

The details conflict. The title gives 150 and 250 mm lengths and openings of 34 and 50 mm, while a feature description gives a 20 cm length and 40 mm opening. Confirm the intended specifications before purchase.

Is it suitable for tight spaces?

The listing describes a 4 mm thin head and deep jaws for confined or recessed fasteners. The actual dimensions should be checked because the size claims are inconsistent.