3M Sanding Sponge Block, 6-Pack, 3.75 x 2.63 in | Designed For Sanding Wood, Paint, Metal, Plastic or Drywall, Made with Durable Flexible Foam (CP000-6P-CC)

These appear to be made of a rough exterior material (as opposed to gluing sand to a sponge) so they don't leave behind grains of grit. Last long and make sanding much easier that a hard block (which too often cuts all the way through the paint to show the primer or base material).

I use this for cleaning. You can scrape off the limestone residue from hard water by scrabbling with this sponge. It works well. But as you use, it gradually wear off. So you will need multiple.

When I received this product my first impression is that it's coarse, which is deceiving, because after using it on several projects, it truly is extra fine grit and I am definitely sold on this awesome product. I have purchased these a couple of times already and I will continue to order more in the future. It is a great product.

What I liked about this product it that it's an "all in one" sander, meaning that the sandpaper is built into the sandpaper sponge itself. The product is not soft like a sponge; it's a hard substance that easily is used on small areas in the house that need sanding. I've tried products where you separately buy the sandpaper and attach it to a handheld sander. When i've used those in the past, the sandpaper inevitably tears and loosens away from the handheld item. This sponge product doesn't have that issue as the sandpaper is built into the product itself

Easier to hold than sanding paper. Less pain for my arthritic hands.

I've been using these for probably 20 years and they are the best sanding sponges I've ever used for finishing between coats..don't buy the cheap sponges ..Buy these you get what you pay for

This is just the right size for my hand and I had been looking for something this size for a long time. A good buy and of good quality!

They were a good value compared to Home Depot. However they do not last long. The sanding dust clogs the pad easily. These are only for use for very very light sanding. The grit seems like a 220. Washing doesn’t help.

Not ok

3M font des excellents produits cependant pour ces pads, le grain dit -extra fin - était plutôt grossier ( 220?) Je m’attendais à un 320 / 420 ! Pas le cas bref, trop rude pour la finition de ma peinture à la craie! Je vais quand même les utiliser pour autre chose!

Ponçage tour à bois

they are handy for sanding cabinet doors

These are advertised as extra fine but feel like about 220 grit. I bought them for sanding primer on a car restoration project but they don't cut as well as as the 3M 320 grit paper that I have been using.