3M (TM) 7 Sheet 4-1/4 inch x 11 inch PSA Lapping Microfinishing Film For Scary Sharp Sharpening System Aluminum Oxide AO

Not worth the money

Great product, I mounted 6 of the sheets (cut in half) on a 1cm thick sheet of float glass. They all worked great on the 25 degree bevel for push-pull, but for the 30 degree bevel its much safer to use the pull method, to avoid tearing the sheet.

I was skeptical at first, but this stuff is a lot easier to use than regular wet sandpaper. It comes with a huge assortment of grits, really more than is needed. Id rather just have 2 sheets each and half the assortment. Its tough to tell the grits apart, so keep track of the colors and mark each one. It comes with some printed info too (see pic). Originally mine showed up with this bit of odd staining but they quickly sorted it out.

Love how easy it is to use and how quickly it was once I figured the order is backwards on using the guide. Learning how to sharpen my knives properly on a guided system but lapping films have made a difference on my gentleman knives!

Sheets work very well. Problem is durability and quantity. Most will never need all 9 films, youre better off buying sheets of 9x11 in grit needed. You can also get Diamond film from KME which lasts way longer. KME gives you five 4x1 slabs which last about 5+ times longer. These are nice due to size but dont help me. When using KME these sheets will get you through 1 maybe 2 knives that need moderate work. The KME ones will get you through 7 or more as they are diamond. ALWAYS remember to hone away from edge if you push towards edge you will cut film and ruin it. If using KME system you will need a glass blank for film(or alum/glass blank) for backing. The film removes better from glass

Perfect for sharpening chisels.

Get a guide and put an edge on your plane iron and chisels like no other. After a while the adhesive comes loose but no big deal.

Quick shipping, well packaged, and marked 3M. Recommend

Used this with the worksharp sharpener. Used it then threw a slit of that light green paper on it and in no time was able to slide hairs right off my arm, would definately recommend. Since the light green is one of the smaller grits this means i can go sharper, but this is great for what i need.

Im used to using files and wet stones. Decided to try this for my wood chisels. They are scary sharp. Easily shaves hair off my arm an slices through wood with little effort, which gives greater control. Wish I would have switch to this when i first heard of it.