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Stanley Bi-Colour Quick Square 12" (300mm)

4.7 (197 reviews)
SKU: 240301110841010 EAN: 0076174460117

Compare 3 prices for Stanley Bi-Colour Quick Square 12" (300mm) — from £16.15 to £20.95 across 3 UK sellers including S G S Engineering, Tooled Up, My Tool Shed. Save up to £4.80 (23%).

£16.15 9h ago
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Compare Prices from 3 Sellers

Prices updated 19 Apr 2026
2
Tooled Up
£20.95 +£4.80
1h
3
My Tool Shed
£20.95 +£4.80
1h
#2 Tooled Up
1h ago
£20.95 +£4.80
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#3 My Tool Shed
1h ago
£20.95 +£4.80
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For achieving accurate dimensions on your construction site, woodwork or any other design project, choose the Stanley Bi-Colour Quick Square for the job. It''s typically used to mark out common, hip and valley to make square cuts on boards and other media. The unit has a blade length of 12” with 1/8" graduations.
The moulded-in design of this quick square uses contrasting colours so it''s easy to read, even in tough working conditions. The graduations wrap around the corners so you can mark out the measurements accurately with a pencil. A large base means it has a good grip on materials, so it doesn''t shake around while measuring.
Its thick body means you can also use it as a saw guide, making it a versatile choice for your toolkit. The quick square''s extra-thick ABS plastic body holds up to heavy-duty use, making it ideal for professional craftsmen.
• Blade length: 305 mm / 12" 
• Rule length: 430 mm / 17"
• 1/8" graduations wrap around corners for even greater accuracy
• Molded-in contrasting colours are easier to read
• Extra thick ABS plastic body copes with the demands of site use
• Large base grips materials to eliminate movement while measuring
• Thick body is perfect for use as a saw guide too

Technical Specification

 
Brand Stanley
Manufacturer ID STHT46011
Brand Stanley
Display Analogue
MPN STHT46011
Sub-Type Plastic
Type Levels & Lines
No features listed
No items listed
Stanley Black & Decker, Inc. (DEWALT brand)
Website

DEWALT is a professional power tool and accessories brand operated by Stanley Black & Decker, serving construction, industrial, and demanding DIY users with cordless platforms, jobsite solutions, and storage systems.

UK Contact

+44 (0) 17532 60094

Product Range

Cordless and corded power tools, hand tools, accessories, batteries/chargers, outdoor power equipment, storage, fasteners/anchors, and jobsite systems (e.g., XR, FLEXVOLT, TOUGHSYSTEM, TSTAK).

Customer Reviews 197

4.7
197 reviews
5 star
157
4 star
24
3 star
10
2 star
3
1 star
3
Stanley 12inch speed square
5.0
February 2, 2026
TomJ97 Verified Purchase

Great square! Brilliant for larger timbers when cutting rafters. Well made and durable

Great square
5.0
January 1, 2026
Tranquillity kid Verified Purchase

Great bit of kit. Marking angles, indentations for marking with a scribe. Spot on. 👍

Quality Product
5.0
November 16, 2025
jfourpplusone Verified Purchase

Really well made square, easy to read and very useful

Nice tool for good price.
5.0
November 7, 2025
David Furko Verified Purchase

It's very nice robust and handfuls. The thicknes of is make easy tu uee with circular saws.

A must have tool.
5.0
October 19, 2025
Rastler Verified Purchase

A very handy addition to any pro or DIY’er so many uses as I found out via a multitude of YouTube videos.

Sturdy
5.0
October 7, 2025
Hartford CW Verified Purchase

Sturdy good quality - in full use at the moment! Colourful and easy to find amongst tools

excellent well made product
5.0
September 10, 2025
ad03008e-4003-5088-86fa-d74b365303bc Verified Purchase

excellent well made product and as always staff at Northallerton branch are very friendly helpful and professional!!

Roofing square. Hand tool large version handy and yellow so I don’t mislay it.
5.0
September 1, 2025
Mr MG man Cleveleys Verified Purchase

Very handy tool use it for many things use it mainly with my battery powered circular saw

Good piece of kit
5.0
August 25, 2025
DizzyDT Verified Purchase

Used this for getting angles on skirting and drawing straight lines. Very accurate and easy to use. Certainly helped.

Great product
5.0
August 6, 2025
Nicholas Wood Verified Purchase

Really good quality strong product AND being yellow - easy to find.

square
5.0
July 13, 2025
5469300c-e5f2-5ba2-b710-f9c4befe85b5 Verified Purchase

nice bit of kit strong and lite only downside is inch's not metric

On the square, brilliant
5.0
June 18, 2025
452fb8ed-86e8-5cc3-8be1-32a8708fe41c Verified Purchase

Perfect size for using as a guide for the saw and versatile in many ways.
I've got two sizes, this and the smaller

Set square.
5.0
June 12, 2025
80a90b1b-f596-5a80-b3d7-ad7b7fac052e Verified Purchase

Good quality product. Ideal for precision shape on all materials.

#notajoinerintheslightest
5.0
May 1, 2025
bbaba903-8f72-521e-b58d-c933e6a313f5 Verified Purchase

Superb for a couple of reasons, so big , bright and easy to read , and nearly impossible not to spot straight away lying around my backside

Work kit
5.0
April 13, 2025
6b9340d4-d6cf-508f-b516-db478853c8a9 Verified Purchase

Good size and robust for site, bought to set reveals for plaster boarding into windows and doors.

A Winner!
5.0
April 8, 2025
a2d028fd-2b15-5376-b884-5ff1072b4c60 Verified Purchase

Well made, easy to locate (bright yellow), useful set of graduations on surface and best of all, the lip on the z plane 👍

Useful tool
5.0
March 20, 2025
Carob1 Verified Purchase

Bought it for circular saw guide but very useful as a square

great purchase
5.0
March 18, 2025
Ramos 68 Verified Purchase

Brought for my partner who loved it, its a very sturdy plastic.

Great help
5.0
March 7, 2025
R1c3A Verified Purchase

Excellent aid for a novice to ensure that there are no “interesting” corners on DIY projects

Stanley Plastic Square
4.0
February 26, 2025
Dick Turpin 1950 Verified Purchase

Good sturdy square, the hypotenuse angle is bevelled which allows for the angle of the pencil to create different lines

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