Cloudray Si Reflective Lens Gold Plated Mirror 19.05mm for CO2 Laser Engraving & Cutting, Dia 19.05mm 3PCS

I had my K 40 laser cutter for a while and it was not cutting clean so I read on a couple different forms in websites that it might be the mirrors. These mirrors when I replaced them in my K 40 made the absolute world of a difference, especially since my mirrors were torched well pass what they should be. The highest quality, laser cut of mirrors. I’ve used myself, absolutely fit perfect, and honestly worth every penny if you knew how much you can make off of having your better mirrors put in. They work amazingly, and they are great options for upgrading your cutters

Used these mirrors to replace the mirrors in my CO2 laser worked well no problems. I will buy them again when needed.

Super clean mirror, fast shipping great packaging

The only Problem I have is that they scratch easy when cleaning

Mirrors are to spec. Clean and highly relefective. Work well in my laser.

Very good mirror not one problem with these.

After installing these my k40 runs like a dream. I wish I had done this a year ago instead of struggling to get a good print.

As you can see on the digital calipers - the diameter is not 25mm nor is the width 3 mm. Hopefully they will still work as temp replacements for my current laser steering mirrors (which are only off by .1 mm at the most). We'll see and then I'll update this review.