"cumbersome tools" is correct and usable in written English. You can use it to describe a situation in which someone has to use large, clunky, and/or inefficient tools or products. For example, "Alice had to use cumbersome tools to complete the task, making it much more difficult than it needed to be.".
In most offices a raft of mainly pointless, cumbersome tools are used to assess performance, including "competency matrices", appraisal interviews and psychometric testing.
Yes: tired of the necessity of using expensive, cumbersome tools to get 3D perspectives on tiny objects like medical probes and micrometer-level tools, Allen Yi and some grad students at Ohio decided to take matters into their own precision-mill calipers.
These are heavier, more cumbersome tools used mostly in industrial work.
The current procedure, known as a discharge petition, is an extremely cumbersome tool, as Sarah Binder, of the Brookings Institution, explains here.
Moreover, the color-coded threat level has proven to be a cumbersome tool for alerting the public to threats of terrorist attack.
This is a powerful, but cumbersome tool to study the sensor performance providing trustworthy results.
Once a cumbersome tool wielded only by academics and nerds, today's Web challenges not just retailers but everyone from venerable Merrill Lynch and Aetna Inc. to high-tech Sony Corp. and Microsoft Corp. Stealth attacks are all around us.
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia