What is the measuring range of this protractor?

It measures angles from 10° to 170° using the recessed sector.

What are the dimensions of the rule and sector?

The blade has a length of 400 mm and the arc sector has a diameter of 200 mm.

How do you lock the measured angle in place?

The sliding blade is locked securely at the desired position with a locking screw.

What material is this protractor made of?

It is made of tempered steel for durability and long-term accuracy.

FACOM DELA.1880.00 large goniometer

Name: FACOM DELA.1880.00 large goniometer
Brand: FACOM
SKU: 41297405
Price: 136.95 EUR
Availability: InStock

Supplier number: FACOM DELA.1880.00 | EAN 3170332220012

Recommended Retail Price €199.96

136.95 tax incl.

€113.18 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered as of 17/11/2026
Free shipping
Delivery by DHL
Lifetime warranty on Facom? Or limited in time? Read more about it here.

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Accurate angle measurement with Facom

Practical benefits

Wide angle measuring range: The open sector allows you to measure and check diverse angles from 10° to 170°.
Secure slide rule locking: You lock the sliding blade firmly with the screw mechanism to prevent slipping during marking.
Durable tempered steel body: The 400 mm hardened steel construction gives you long-lasting stability for heavy workshop use.

In a nutshell

The right choise for

With the Facom DELA.1880.00 protractor, you can accurately measure and scribe angles on large workpieces, sheet metal, and assemblies. Its recessed arc sector with a 200 mm diameter gives you a versatile measuring range from 10° to 170°. The 400 mm sliding blade provides generous reach on oversized materials. Thanks to the secure locking screw, you fix your angle firmly in place to prevent accidental movement during layout transfer. Crafted from durable tempered steel, this measuring tool resists wear and delivers dependable accuracy in demanding workshop environments.

Product information FAQ

€136.95

In stock - tax incl.

Key features according to our expert

Min. measuring value: 10 °
Max. measuring value: 170 °
Diameter (protractor): 200 mm
Length: 400 mm
Supplier warranty: FACOM - Legal warranty applicable

Product description

Large angle gauge

Features

Hardened steel.
Scale division in degrees.
Open protractor for measuring angles from 10 to 170°.
Ø of the arc: 200 mm.
Length of the ruler: 400 mm.
Slide ruler with screw lock.

All Features

Min. measuring value: 10 °
Max. measuring value: 170 °
Diameter (protractor): 200 mm
Length: 400 mm
Supplier warranty: FACOM - Legal warranty applicable
Implementation: Swing hook
Material: Steel

Brand FACOM
41297405
EAN 3170332220012
Supplier number FACOM DELA.1880.00
Warranty
Lifetime warranty on Facom? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

What is the measuring range of this protractor?: It measures angles from 10° to 170° using the recessed sector.
What are the dimensions of the rule and sector?: The blade has a length of 400 mm and the arc sector has a diameter of 200 mm.
How do you lock the measured angle in place?: The sliding blade is locked securely at the desired position with a locking screw.
What material is this protractor made of?: It is made of tempered steel for durability and long-term accuracy.