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The Mirka Vacuum Block Disc 125mm is an essential accessory for wet sanding applications where the vacuum system cannot be switched off. Designed to protect your sander and dust extraction unit, this disc acts as a barrier—preventing moisture from entering the machine and causing damage to internal components.
Ideal for trades and professionals who rely on dust extraction for dry work but occasionally need to wet sand, this simple yet effective solution ensures your gear stays safe and functional. It fits any standard 125mm sander and is compatible with hook & loop systems for easy attachment and removal.
The Vacuum Block Disc doesn’t interfere with your sanding performance—it simply safeguards your equipment when working in wet conditions. Whether you’re doing automotive finishing, marine work, or surface prep, it’s a smart addition to your kit.
Available individually or in a cost-effective 5 pack.
SPECIFICATIONS
Diameter: 125mm
SUITABLE FOR
Mirka Vacuum Block Discs 125mm should be used if the vacuum dust extraction cannot be disconnected during wet sanding.
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Wendy Astleford
Best Abrasives - most appropriate company name
Absolutely stellar customer service, well above par and enjoyable as much as helpful, and the products are 10/10 - will be back again and again and again…
Mirka Roundy Hand Sanding Block Kit
Ian Douglas
Mirka AROS-B is a sensational sander that will save untold time and effort!
I spend hours on manually sanding the curves in the depressions I route in my charcuterie boards as there's just no other way to do it, using the AROS-B sander I can now do a full board in around 20 minutes and then have it ready to oil! I estimate it's saving me at least 3-4 hours per board.
Expensive tool but it reall works fantastic with a lot of grunt, and saves an incredible amount of time and effort! I love it so much a week later I bought the AOS-B as well!
Couldn't recommend this unique sander highly enough for fiddly awkward sanding jobs!
I received my mixed box of 125mm Mirka Galaxy discs from Best Abrasives a little while ago...that stuff is amazing!
I let the 80 grit go on a piece of rough sawn Camphor Laurel and it was smooth in a couple of minutes. Very impressive compared to other brands...I'll be back for more! 🙂
Mirka Galaxy Sanding Discs - 125mm/5"
Phillip Prior
Mirka Galaxy Sanding Discs
I have tried many brands over the years. Galaxy paper is the best for performance and value. The range of grits means I can chase any smoothness level I need. I use Galaxy paper in support of the hand plane work that I do.
I have tried many brands over the years. Galaxy paper is the best for performance and value. The range of grits means I can chase any smoothness level I need. I use Galaxy paper in support of the hand plane work that I do.
I am a very amateur hobby woodworker, and purchased the galaxy sanding discs based on their appearance - I thought they were mesh discs, when very clearly, by both their description AND their price point, they weren't. They do last longer than the traditional sandpaper discs, but I have become very used to using the mesh discs and so they are not in the same category.
