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Your cart is empty.A well-prepared surface is the key to achieving a long lasting and durable coating with your Al's Liner truck bed lining. To help you get a perfect preparation done easily every time, We developed the Al's Liner cup brush, a professional series abrasive nylon bristle cup brush. Its tough nylon bristles do a fantastic job sanding, scuffing, and blending surfaces. The Al's Liner cup brush attaches to a Pneumatic Rotary tool and will speed up the sanding time on your next project while ensuring that your surface is properly prepared. This cup brush will quickly scuff up the surface area to be sprayed, and is strong enough to last for several Al's Liner projects. The Al's Liner cup brush lasts up to 10 times longer than a standard wire brush. It can be used to clean, polish, and prep metal, wood, aluminum and plastic. The cup brush was designed for truck bed prep, but is also great for removing paint from wood and metal surfaces, surface rust, prepare plastics, prepare other metals for primer and paint, clean unfinished tile, stone, cement, and more. The Al's Liner cup brush saves you lots of time when prepping.
jose
Reviewed in the United States on March 19, 2025
Good
Phil
Reviewed in the United States on August 7, 2024
He used it to rough up my bed for my spray and bedliner works perfect
MICHAEL
Reviewed in the United States on August 28, 2024
Works well for correct use, would purchase again, very satisfied with finished work.
LS
Reviewed in Canada on March 3, 2024
works well on old wood to prep for staining
Mike O.
Reviewed in the United States on February 23, 2024
Works good!
Goosekillar
Reviewed in the United States on April 3, 2024
These fly apart and don’t lastI could destroy one in less than a minute.I used it on a 4” grinder, Milwaukee.The bristles fly off and hurt when they hit, out of balance big time.Might work ok at slower rpm but are worthless as I used them.
Neville Els.
Reviewed in Canada on July 29, 2021
I have used them for many years and I think there is no better sanding device for paint removal on metal or rust on metal
George. S
Reviewed in Canada on June 9, 2021
bought this for brushing(kind of oldering) of soft wood, bear-chairs, worked super perfectly with Dewalt polisher on the 3500 Rpm. got a really nice rised wood-grain, and at the same time remove all burrs, and spikes on the edges. DO NOT USE with high-rpm angle grinders or zip-cutters - it will just destroy the tool and may ruin your work-piece
NoMore SurePost
Reviewed in the United States on January 3, 2021
I purchased this to prepare an A36 steel plate I will use as a baking steel. I used it on a 7" polisher (5/8-11 arbor, variable speed, 1900 rpm max) and it worked well to blend the edge (prepared with a grinding disk) and remove rust left over from the vinegar mill scale removal step. There was very little sparking during use. The scratches left behind seemed a bit more coarse than the 180 grit abrasive it is claimed to have. I would NOT use this with an angle grinder, too high RPM.
Darryl
Reviewed in Canada on June 20, 2020
Can’t say enough good things about this product, prepped my whole truck to be sprayed for box liner in a few hours. Literally the whole truck, for minimum expense. Worked best in a large variable speed polisher I had running at about 75% speed. Will by another to have on hand for future use.
Bernard Gravel
Reviewed in Canada on July 6, 2019
Fait très bien pour égratigner sans enlever au fer vif....plus aucun lustre et sur l’apprèt.
Lois A. Harvey
Reviewed in the United States on December 7, 2018
I saw this on youtube as a way to get rid of excess grout that dried on tile. Did not make much sense but gave it a try and it worked beautifully. I put it on the drill and it does all the work. I even used it to clean our pebble floor shower. Makes the job so easy and does not scar the pebbles.
Tim H
Reviewed in the United States on November 15, 2018
I bought these on the recommendation of DeBoss Garage on Youtube (I'm looking at you RicH) They do alright but come apart really quick but hey really do a good job until their demise. I first used them on a 4.5" Dewilt angle grinder that was probably too fast but they lasted a little while before flinging the tentacles all off. I then used them in a7" angle grinder that had an appropriate speed and they didn't last half the length of time as with the smaller, faster grinder. I gave up on them when they cost $20 American Kopecks each.
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