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Product Details

Professional quality with rotating frame, specifically designed for thicker/dense materials where a stronger force is needed.

Technical Specification
Brand Cox
Volume (L) 0.4
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Cox Powerflow Caulking Gun 400ml is rated 4.6 out of 5 by 9.
Rated 5 out of 5 by from Great gun Was a bit sceptical about paying 3 x for a standard mastic gun, however after snapping multiple guns thought I would upgrade and it is a case of you pay for what you get. This is really well made , no flexing of the tube and has the strength to push thick materials through. It also has a lot more bead control and leverage so you don't end up with a sore hand... Worth spend a bit more.
Date published: 2019-12-03
Rated 5 out of 5 by from Mastic gun Excellent quality I’m very happy
Date published: 2019-10-21
Rated 1 out of 5 by from Not what I hoped for! Finally decided to buy a more substantial gun following many cheaper versions that broke when there was no where to buy a new one! This seemed well made and initially worked well then a tube of grab adhesive split inside the casing! After some time cleaning it out including using a small spike in all the crevices. Another different make grab tube was set up, a little adhesive on the wall and the rest inside the gun! Another time cleaning and yet another tube of grab adhesive and lo and behold more adhesive in the gun - enough time wasted so back to Toolstation for a refund and then back to my cheap gun!! Perhaps I was unlucky but 3 tubes and never happened before.
Date published: 2019-10-17
Rated 5 out of 5 by from Mastic/Caulking gun Great quality gun worth spending a bit more money than the cheaper ones for a more controlled finish.
Date published: 2019-08-18
Rated 5 out of 5 by from Cox Caulking Gun Well made, does the job well, able to twist silicone tube during the application.
Date published: 2019-08-02
Rated 5 out of 5 by from Cox Caulking Gun Well made, does the job well, able to twist silicone tube during the application.
Date published: 2019-08-02
Rated 5 out of 5 by from Worth paying the extra Cox make quality guns Made to last
Date published: 2019-03-24
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