Cobra QS2500 review
Test scoreShow Context

- Roller
The Cobra QS 2500 drum shredder is a big, powerful machine that has some promising features, such as an auto feed which can be put into reverse to release blockages, and a large collection box for the shreddings. We put it through our extensive range of tests to find out how easily it can deal with the pruning pile.
- Pros and cons
- What is it?
- What is it great at?
- Is there anything I should watch out for?
- Is there anything else I should know?
- Should I buy it?

Technical specifications
General
- Weight26.9kg
- Cable length10 cm
Features
- Collection box
- Tamper
Test results
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
Find out how we test garden shreddersPut us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
Make smarter choices
- 50%Lowest score
- 63%Average score
- 74%Highest score
Put us to the test
Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.
Suggested alternatives
Related articles
How to buy the best garden shredder
Do you want an impact garden shredder or a roller one? Which? Gardening's experts can help you decide the answer to this and the other questions you need to think about when choosing a garden shredder, including how much to pay.
Top three garden shredders
Which? Gardening cuts straight to the chase and names the top garden shredders that have performed brilliantly in our rigorous, independent testing, which looks at everything from frequency of blockages to how noisy it is in use.
Which garden shredder brand to buy in 2020
Can't decide between garden shredder brands such as Bosch, AL-KO and Black & Decker? Which? Gardening can tell you how they compare, based on real owners' experiences and performance in our rigorous garden shredder tests.