The phrase "armoury of tools" is correct and usable in written English.
It can be used to describe a collection or range of tools or resources available for a particular purpose or task.
Example: "In our workshop, we have an extensive armoury of tools that allows us to tackle any project with confidence."
Alternatives: "array of tools" or "collection of tools".
In the week that WikiLeaks revealed the CIA and MI5 have an armoury of surveillance tools that can spy on people through their smart TVs, cars and cellphones, the FBI director, James Comey, has said that Americans should not have expectations of "absolute privacy".
As evidence, Barajas motioned to the inmates, who were now aligned behind Justin, marching in military order and carrying an armoury of hand tools fit for a peasant revolt.
A new armoury of protein purification tools is required to support rapid advances in high-throughput genomics and proteomics, which are predicted to lead to the discovery, isolation, characterisation and manufacture of a number of new biopharmaceutical proteins.
Worries were not eased by Styles bragging to Garth Crooks: 'There are a lot of tools in a referee's armoury.' Typically baffled, Crooks responded with a question: 'Can you legislate for strong tackles?' Styles replied he couldn't.
There are loads of tools and techniques that form the armoury of fundraisers, some of which will work better than others.
Currently Second Life". The list of tools, quite honestly, reads like the armoury of a group of teenage trolls - particularly when you realise that some are named after confectionery, others after items from games and movies.
We believe that if they are backed up by constant re-evaluation, these levers will become valuable tools in the armoury of tomorrow's policymakers.
The so-called "pretext" phone call, which is lawful in some US states but not in others, is considered one of the strongest tools in the armoury of the rape investigator.
This paper focuses on one tool in the armoury of decision-makers: choice experiments.
Twitter has rapidly established itself as an important tool in the armoury of protest groups and demonstrators.
