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Your cart is empty.How to use a Central wedge + 2 wedges composition, b.using quarrying dedicated drill holes, remove residual powder of hole c.upside down the big side of 2 wedges (flat to flat),and put it into hole. d.upside down the small side of central wedge between 2 wedges , and finally using the hammer split stone
Laura K.
2025-09-04 13:57:29
Worked well. Broke up a bunch of boulders without too much fuss. The rubber o-rings are a nice touch to keep things together when your fingers are shaking from having run the hammer drill, but those o-rings deteriorate after a few missed hammer hits (my fault). Still, a great idea and they worked well for me.Advice: if you have a bigger section to split, then maybe buy two full sets. At one point I had all of them pounded in (probably didn't drill them close enough to each other) and had to pound away at the rock with a sledgehammer to get those cracks to split all the way. A handful more of them would have made life easier.As for size, I think this is about the biggest I would get, because any larger moves you into expensive bits and drill hardware and much heavier work. I broke maybe 12 cubic feet of granite out of the yard where the Earth was poking through the grass in a few places. Took a few days but these did the job and are still very usable. Wish I bought more though.
Turbojimmy
2025-07-12 15:16:03
...you need to educate yourself on their proper use and have the right tools.I read the reviews and did a bunch of online research. I have to large boulders protruding a few inches above ground where I want to extend my driveway. They are way too big for any machinery to move. They needed broken up somehow. I bought a cheap (I chose the smaller of the 2 boulders first. It had pretty obvious grain as well as what appeared to be a fault line along the grain. No amount of hitting it with a sledgehammer, however, would break it up. This feather and wedge kit worked IMMEDIATELY, splitting the boulder into 3 large chunks. I haven't gotten to the larger boulder behind it yet, but I'm confident I can break that one up as well.
Cory
2025-05-20 14:47:50
Hood would be great if didnt randomly chip off metal chunks.
Cotharyus
2025-05-05 14:17:33
I use these to split rocks to size them correctly to make features for mountain bike trails. If you use them correctly, they can be a powerful tool. If you don't they can be frustrating. One thing I've noticed is that some feather designs seem more prone to "blow out" the tops of the holes than others, and these rate somewhere in the middle, so if you're working with something like limestone, there may be a better option. That said, I've used these extensively in limestone, and knowing how tight you can actually get them before they start to cause problems is really the key. While you might get other designs tighter, these will get tight enough before blowing out the holes to do the trick in most cases.
Steve R.
2025-02-07 15:59:29
These are effective but the o-rings are crappy that hold them together. I had to keep taping them together with electrical tape. Would have been 5 stars with better o- rings.
goblin_dust
2024-12-31 10:07:47
first time use I had no problem splitting a stubborn boulder on my backyard. very easy to use, works as intended even for a completely newbie like myself.
Mike
2024-11-30 14:22:53
I've split a lot of granite with these and they hold up well. Drill your holes deep and listen to your rock. It will tell you when it's going to break.
Trust me
2024-11-28 12:17:11
These work like a charm!Items needed:1. Feather and wedges2. Sledgehammer and regular hammer for tapping in3. Rotary hammer drill4. 2-4 good Concrete hammer bitsAnd help lighting your boulders out. These work 1000%If you can see or find the rock veins great, if not these still work great.Drill holes about 4 to 5in apart in a line , try and grab a side one too, not required, and then tap wedges in. Work down the line then back and then sledge drive them as the get down - then boom - your rock is split. Easy day.
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