Mirka 23-624-120 6" 6-Hole 120 Grit Dustless Hook & Loop Sanding Discs - 50 Pack

• Mirka 23-624-080 6-Inch 6-Hole 80 Grit Dustless Hook and Loop Sanding Discs, 50 Pack
• Mirka 23-624-220 6" 6-Hole 220 Grit Dustless Hook & Loop Sanding Discs - 50 Pack
• Bosch 3727DEVS 3.3 Amp 6-Inch Hook and Loop Random Orbit Variable Speed Sander/Polisher with Dust Canister
• Mirka 23-624-150 6" 6-Hole 150 Grit Dustless Hook & Loop Sanding Discs - 50 Pack
• Mirka 23-624-060 6" 6-Hole 60 Grit Dustless Hook & Loop Sanding Discs - 50 Pack

I cannot detect any dust whatsoever when hooked up to my shop vac. I used to absolutely dread sanding, but with the help of Mirka, it has become at least somewhat rewarding. These discs are easy to use, durable, and get the job done right. I LOVE my 6" random orbit sander from Ridgid. Mirka 50 disc packs offer a tremendous value. Buy a few different grits so you always have what you need on hand. It's just sandpaper, I guess, but Mirka makes a great product.

not bad for the price. Seem to wear out fairly fast, but compaired to other comparable sanding discs I would say they are acceptable.

The 100, 120, and 150 are the most frequently used.To tell you the truth, I rarely use the 320. Over time, even that is a consideration. I simply attach a 2 1/2" vac hose to the dust port on my Bosch, which is way smaller than that, so a lot of air escapes. A good respirator, not a paper mask is advisable. The advantage to quality paper, is that you can get in a groove with some consistency. It is still recommended to wear a mask because the shop vacs only capture to a micron or so. Additionally the backing paper is stiff enough to do the job. I had a body shop for 20 years, and after using the cheaper paper on the random orbit sanders, and winding up with a floor full of used paper, I can attest to the savings of using quality, aluminum oxide paper.

It is actually cheaper, in addition to doing a better job. That is about 3 for each grade. When I first bought my Bosch 3727DVS, I bought a box of the popular grades; 80, 100, 120, 150, 180, 220, and 320. Instead of having cheaper paper that gives you the new disc agressiveness, then quickly to the used paper smoothness, which may be a grade finer, and miss the deeper lines from the coarser grade of paper in the previous step. That way you don't wind up with a buggered edge on your sander.

A fresh air system is even better. So technically you have a vac system that is actually a mini-part of a micron, invisible dust manufacturing plant. I just went through over 50 boards of 80+ inch cedar, in three grades, and I only used about 10 sheets all combined. The 6 hole paper is nice for the dust free environment. Highly recommended.

The vacuum draw that leaks around the inlet, sucks up that last 1% of the dust coming off the paper.