4" Crack Chaser Blade 3/8" Width, 5/8"-11 Threaded Arbor

I was amazed at how this cutter worked. It cut through the asphalt like butter; well almost butter, but way easier than I ever thought. I thought it would pull the grinder as it cut, but brand new it did not, and cut through the asphalt easier than I expected. It was the first time I've ever used a tool to cut a v or u groove into asphalt. Previously I've always used a chisel. OMG, this is so much more efficient, faster, and made a clean groove as I followed the crack right across the driveway. It threw up a lot of asphalt dust so wear a mask, and glasses. I went about an inch deep, think I could of gone deeper, but it was a very small thin crack so far, that best I fixed it before it got bigger in the years to come, through seasons. I blower blew out the finished crack of the thick dust that was all over, blew it off, and then melted / filled the groove with hot tar ...OMG, it came out perfect. Anyway, the crack chaser blade cut, helped make it look real professional indeed, and was so easy to use. Expensive, yes... I don't regret it though, and have it to use again if needed for some more times going forward. 2024 Edit: I had another opportunity to use this on a concrete garage floor that had a center water drain, but the water in one portion of the floor did not flow to the drain properly because of improper leveling, so I made just a small surface cut from that spot toward the drain using this blade, and that did the trick, the pool of water does not form anymore and drains properly. The blade cut the concrete like butter, wow, and it was so easy to do By the way, I've attached an image of my Makita GA4030K grinder with this EDiamond Tools 4.5" Crack Chaser Blade mounted on it, my point is to say make sure you mount it in the right direction: Always mount the blade with the arrow on the blade pointing in the direction of the rotation of the grinder. It's important that the 'working back pressure, while using the blade while in contact with work ...is actually pressured Toward Tightening - Not Loosening.

I am extremely happy with this crack chaser as it works great and it is very easy to use. It quickly and easily cuts through the cement, some have said like a hot knife through butter. Although, I paid almost $50 to get this product I think it's worth every penny as I ground out a number of cracks in my garage and it still isn't even slowing down and it's still very durable. If I ever needed another one I would buy this exact same one again but I don't think I'm ever going to need another one. I highly recommend this crack chaser.

Blade worked great on my angle grinder. Hooked right up. Word of advice, wear your safety glasses, clothing and a hat you don't care about getting dirty and dusty. Otherwise it tracks the cracks in your asphalt really well and easily opens them enough to get a good amount of crack filler in them. After doing all the cracks in my driveway, the blade was dirty but still looks like new. Grinding in cracks that were filled previously is messy (sticky stands (almost like cotton candy consistency) of tar) but it pulls off easily enough. Didn't try it on concrete but guessing it would work equally as well for that.

Great product…I used it and my son used it. It worked perfectly for what we bought it.

This blade does a great job! It’s very easy to control in an angle grinder. It can follow curved cracks well. The V profile lets it reach further into the crack. I would buy it again.

Works perfect for my needs put nice v cuts and my new driveway I didn't use it for the intended purpose I just wanted the v cuts in my new concrete driveway they look great cut approximately 150 ft with no problem

I had cracks with that gray caulk already in them. I dug out as much of the patch caulk as I could and then used this to clean out the cracks. You need to get the majority of the patch caulk out, but then this will clean that crack up with no problem. I had extensive cracks criss crossing a garage floor and this cleaned them up in no time.

Why did you pick this product vs others?: This thing chased cracks in my driveway like the concrete was warm butter. After using a thin diamond blade and getting nowhere fast, I Googled some videos & products like this were recommended. The price was one of the lowest offered & the reviews were better than most. Wear dust protection, as this kicks up a LOTTTTT of dust.

Excellent