what is the square body made of, not the ruler, but the body itself - I suspect soft alloy?

The bodies of the tools that slide on the steel ruler are made of aluminum. I am not the manufacturer. I am a consumer who bought one. I like it. It is very durable and accurate.

Which measurements? Image shows metric markings but text states graduation in 1/32 inches.

Mine has no Metric measurement definitions.

What is the maximum thickness of the ruler it works with. Can it adjust to a four foot ruler?

If the four foot ruler has the same notch opening in it, it would work. There is an insert that fits into the notch

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Stainless steel t square ruler Adjustable sliding combination Square Square Ruler & Protractor Level Measure Measuring Set 4-Piece 12" 4R Combination Square

Product ID: 126466445

Details

Brand
Lurui
Color
Black Chrome
Graduation Range
1/32 Inches
Material
Stainless
Style
Straight Ruler

📏12-inch precision ruler

🔩rustproof stainless steel build

⚙️0-180° adjustable protractor

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S$37

Duties & taxes included

In stock

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Details

Brand
Lurui
Color
Black Chrome
Graduation Range
1/32 Inches

Description

📐 Elevate your craft with precision that professionals trust!

COMPACT COMPLETE SET - 4-piece combo with straight ruler and protractor in a sleek, portable case.
LASER ENGRAVED ACCURACY - Each tick mark is laser-etched ensuring 0.08° measurement precision.
VERSATILE ANGLE MASTERY - Adjustable 0-180° protractor with fine roller knob for flawless angle setting.
PRECISION MEETS DURABILITY - Crafted from premium stainless steel for rustproof, long-lasting use.
BEVELED EDGE FOR PERFECT FIT - Beveled blade design ensures seamless inside and outside corner measurements.

The Lurui 4-piece combination square set features a 12-inch stainless steel ruler with rustproof durability, a 0-180° adjustable protractor with 0.08° accuracy, and laser-engraved markings for precise woodworking and carpentry measurements. Designed for both inside and outside corner measurements, this versatile toolset is engineered for professionals seeking reliable, fine-tuned adjustments in a compact, portable package.

Specifications

ASIN	B07R2FB1RH
Best Sellers Rank	#257,676 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #309 in Carpentry Squares
Brand	Lurui
Brand Name	Lurui
Color	Black, Chrome
Customer Reviews	4.0 out of 5 stars 741 Reviews
Graduation Range	1/32 Inches
Item Dimensions L x W	11.81"L x 11.81"W
Manufacturer	Lu Rui
Material	Stainless Steel
Material Type	Stainless Steel
Model	Lurui
Part Number	Lurui
Product Dimensions	11.81"L x 11.81"W
Style	Straight Ruler,Square,T Square
Style Name	Straight Ruler,Square,T Square
UPC	796862872885

Reviews

I**D

25.02.2025

J**P

1.06.2025

R**M

9.11.2019

K**R

5.01.2025

C**A

1.05.2021

M**T

30.12.2024

T**C

15.11.2022

J**S

21.03.2023

J**N

26.11.2023

M**V

2.11.2022

M**R

30.08.2021

H**R

22.09.2025

P**L

28.07.2021

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