The Mirka Galaxy Multifit Sandpaper 3 inch (77mm) - Grit 1500 is a hook and loop sanding disc pack built for fine finishing on epoxy resin, wood, and metal. This is a sanding disc designed for power sanding and surface refinement. Model Number: FY-3MF-1500. If you are looking for a 3-inch abrasive that leans toward finish quality instead of heavy stock removal, this is the kind of disc that belongs in the last part of your sanding sequence.

What matters here is not just the 1500 grit rating, but how Mirka built the abrasive around it. The ceramic alumina grain is described as self-sharpening, which means the cutting surface is made to stay effective as the disc wears. On the job, that translates to a disc that keeps working more consistently instead of fading fast and forcing early replacement.

Mirka also calls out a non-clogging anti-adhesive coating, and that is a practical feature, not filler. Fine-grit discs can load up quickly, especially when you are sanding coatings, resin work, or materials that shed a lot of fine dust. A disc that resists clogging stays usable longer and helps maintain a more even finish across the surface.

The 3-inch size is useful anywhere a full-size sanding disc feels oversized or awkward. It makes sense for detail sanding, smaller parts, curved pieces, and controlled finishing work where you do not want to overwork edges or tight areas. Because it is a hook and loop disc, swaps are quick, which is exactly what you want when moving through grit changes or replacing a worn disc mid-project.

One of the more practical details is the Mirka Multifit hole pattern. Instead of forcing you into one exact dust-hole layout, the disc is designed to work on a wider range of machines without precise alignment. That makes setup simpler and gives you more flexibility if you run different power sanders or backing pads in the shop.

This pack includes 50 discs, so it is a solid buy for anyone who goes through fine abrasives regularly. Finish carpenters, woodworkers, auto refinish users, resin makers, and metal fabricators all hit the point where the surface is already shaped and the goal shifts to refinement. That is where this Mirka Galaxy sanding disc makes sense. It is for users who care about finish quality, clean scratch patterns, and not wasting time with discs that load up too quickly.

Mirka Galaxy Multifit Sandpaper 3 inch (77mm) - Grit 1500 keeps the finish work moving

This is the kind of abrasive you buy when the surface already looks good and now you need it to look right.

• Who it's for: Woodworkers, finish guys, resin makers, and metalworkers who need a fine sanding disc for final surface refinement.
• Why it stands out: The ceramic abrasive, anti-clogging design, and Multifit hole pattern make it more practical than a basic fine-grit disc.
• Worth knowing: This is a specialty finishing grit, so do not expect it to remove defects quickly. It shines when you use it at the right point in the sanding sequence.

• What type of sanding disc is this? It is a 3-inch hook and loop sanding disc with a Multifit hole pattern for power sanding.
• What materials can it be used on? Source data lists epoxy resin, wood, and metal as compatible materials.
• What grit is this disc? This version is 1500 grit, which is suited to fine finishing work.
• How many discs come in the pack? The pack includes 50 sanding discs.