The Mirka Basecut 6 in Grip P220 Sanding Discs, model 20-622-220, are paper sanding discs sold in a 50-count box for finish-oriented sanding work. This is a hook and loop sanding disc designed for fine sanding and surface prep on compatible 6 inch sanders. If you need a consistent abrasive for lighter stock removal and finish refinement, this is the kind of disc that fits the job.

What matters here is the balance of cut quality and operating cost. Mirka describes the Basecut line as an economical, high-efficiency choice for paper sanding, with a high initial aggressive cut and a long working lifespan. In practical terms, that means the disc is built to get to work quickly when it hits the surface, while still giving you usable life before it needs to be replaced.

The P220 grit lands in the fine-sanding range, so this is not the disc you grab for heavy stripping or major leveling. It makes more sense for smoothing, final prep, and refining a surface after coarser grits have already done the rough work. That is why this grit is useful in workflows where scratch pattern control matters more than raw material removal.

The 6 inch size is standard for many random orbit sanders, and the grip backing keeps disc changes fast. That matters more than it sounds like on the bench or on site. When you are moving through multiple grits, a quick-change backing helps keep your sanding sequence efficient instead of turning every swap into a slowdown.

A 50-disc box also makes this a better fit for regular shop use, production work, or any job where you burn through abrasives steadily. You are not buying a couple of discs for occasional touch-up work. You are stocking a commonly used finishing grit so it is ready when the sander comes out.

If you already run a compatible 6 inch hook and loop sander and need a dependable finishing abrasive from Mirka, this pack makes sense. It is especially well suited to users who want a straightforward sanding disc with good efficiency, a fine grit for surface refinement, and enough quantity in the box to support repeat work.

Mirka Basecut 6 in Grip P220 Sanding Discs are a smart stock-up grit

If you go through a lot of finishing discs, this is the kind of box that earns shelf space fast.

• Who it's for: Shops and serious users running compatible 6 inch hook and loop sanders for fine sanding and surface prep.
• Why it stands out: You get Mirka's Basecut value focus, a fine P220 grit, quick grip attachment, and a 50-disc box that is ready for repeat use.
• Worth knowing: This is a finishing and refinement grit, not a heavy stock-removal disc, so pair it with coarser grits earlier in your sanding sequence.

• What grit are these sanding discs? These discs are P220 grit, which is suited to fine sanding and surface preparation.
• What size sander are they made for? They are 6 inch sanding discs for compatible 6 inch sanding tools with grip-style backing.
• How many discs come in the box? The package quantity is 50 discs.
• Where are they made? Source data lists Finland as the country of origin.