Editorial Product Review:Item Description:Mirka Abrasives INC 23-615-060 - Bulldog Gold - 60G 5' 8-HOLE GRIP DISC 50/BX - Premium paper for finishing as well as heavy stock removal - Durable aluminum oxide grain delivers a fast, exceptionally long lasting cut - High strength resin bonded system - C & D-weight backings are 50% stronger than other premium brands using A-weight backings - Made with an anti-load stearate to provide increased life.
Amazon.com Item Description:The Mirka Bulldog Gold 5-Inch 8-Hole 60-Grit Grip Vacuum Discs provide a fast and exceptionally long-lasting cut. This high-strength resin bond system features a special sharp, durable aluminum oxide grain. The durable aluminum oxide, combined with urea resin over glue bonds and an open coat, creates a high performance sandpaper. With a B weight backing, the discs offer better edge wear and wear ability. Made with an anti-load stearate to provide increased life, these vacuum discs are designed to fit the DeWalt DW421, DW423, and 5-inch Ryobi and Bosch 3107, 3725. This pack includes 50 discs.
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Buyer Reviews
Average Buyer Rating:

Customer Rating: 
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Great Value
I took a chance and tried this product. I was pleasantly surprised at how long they lasted, comparable to the much more expensive brands.
Customer Rating: 
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if you own a hand sander you will want to pay attention to this item !!!
PERFORMANCE: quick change but yet maintains tight grip to sander pad. aggressive cut makes this abrasive a premium sanding disk, in spite of the budget price. cuts hardwoods and softwoods with equal vigor. a good abrasive disk cuts well with light pressure, let the sander/abrasive do the work, you should not have to apply pressure to get it to remove material if you are using a fresh abrasive. these disks have a long abrasive cut life. I would love to do a material removal and abrasive life of all the 5 and 8 hole disks on the market.
PRICE: forget buying packs of 6 to 10 disks at Lowes or Home Depot, its a ripoff if you do any quantity of production work. Yet these home improvement stores who bill themselves as contractor suppliers do not sell abrasive disks in packs of 50 ??? These high quality disks match the best you can buy, but the over the counter brands sold at your local home improvement store can't come close to matching this price. don't waste your money on inferior budget priced sanding disks either,(the super cheapies made in China) they don't cut well, abrasive breaks down rapidly and they have a low cut life.
Customer Rating: 
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WEEKENDER
I HAVE PURCHASED MOST OF ALL YHE MIRKA H&L 5'' 8 HOLE SANDPAPER
AND FIND IT TO BE WORTH EVERY BIT OF YOUR MONEY SPENT.I AM AMAZED
AT THE QUALITY OF THIS PRODUCT.I LIKE THE PACKAGING ON THIS
PRODUCT .THE DURABILITY AND TO WITH STAND PUSNISMENT IS #1
Customer Rating: 
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Good Quality, Excellent Value
I have purchased every grit of Mirka sanding disks from Amazon, and I find them to be good quality. The price per disc works out to be a great value if you purchase them in packs of 50.
I used these disks on my Bosch random-orbit sander. The hook-and-loop backing is strong and holds on through rough sanding. The aluminum oxide sanding material lasts for a good amount of time. I've used them on a variety of wood surfaces, and I have used them to remove paint, and they last long enough to take down a lot of material. I have bought other brands of sanding discs that do last longer, but the Mirka discs definitely hold up well.
The discs are packaged in a sturdy box with a cover, which makes it easy to dispense them as needed. Also, having them stored in a box keeps them clean, which helps the hook-and-loop function. This actually helps out a lot in the shop. Other brands come wrapped in plastic, and you have to find a container for them, or let them sit on a shelf and get full of sawdust. I appreciate this extra touch.
The paper stock is somewhat thin, but this does not really affect their use. Since they are stored in a box, they stay flat. Other brands, which are stored in bags, get curled up on the edges.
Bottom line: these are good quality sanding discs that last for a good amount of time, are a good value for the money, and are packaged in a convenient way.