XtremepowerUS 1180W SDS-Plus Electric Rotary Demolition Chipping Hammer 1-1/4" Combination Rotary Hammer Drilling Chisels & Drill Bits Set with Case

This tool is great, especially for the price. I purchased in it for approximately $80, which is about the same cost as a single day rental of a professional quality rotary hammer where I live. Starting from that standpoint, this was already good. I'd been looking at other tools that all had mixed reviews, and I chose this one based on the 20 joule output and another review that described it as dispatching lava rock with ease. My need was for drilling granite, but I figured this tool would get by ok on that task, though granite is much harder than lava rock. However, this tool exceeded my expectations.It had plenty of power to handle drilling 14mm holes in granite with ease, provided you use a high quality bit. I did not use the drill bits that came with the tool for the job I show in the pictures, but I did try the chisel and point demolition bits at a later time, and those bits turned out to be pretty soft. So that is one downside. But the cost of the tool is so low, that helps save money to spend on high quality bits purchases separately. Back to the power of this tool. It was able to easily drill 14mm holes in granite 6-8 inches deep in about a minute. Much faster than I expected.The tool DOES get hot while operating, so I don't think it would be suitable for sustained professional use, but it seems fine for occasional short term use / hobbyist needs. And at the end of the day, I observed a small amount of grease seepage through the seams of the metal casing parts, but nothing overly concerning. The tool does have an easily accessible grease reservior, so I think this is an expected outcome of normal operation / tool maintenance. For reference, we drilled about 16-20 holes in the course of breaking up this ~1000 pound boulder.What others have written about instructions is true: the instructions provided are minimal at best, and some of the control icons are not consistent with their function. For example, the function dial on my tool had icons for hammer + drill and drill only, but the "drill only" function news actually "hammer only". This is actually fine by me, because those are the functions I wanted in this tool, but I thought it would be helpful to warn others in this review. Someone in another review mentioned confusion about the bread / wrong grease: I believe the container of grease supplied with the tool was for coating the shanks of bits to make them easier to remove from the chuck after use. It was only after I finished !y job that I realized the function of the rubber disk pictured with the tool is meant to be slipped over the bit to prevent debris from getting into the chuck, especially when drilling overhead.A note on tool operation: The chuck reciprocates considerably as part of the hammer function. However, if you press too hard, you will actually degrade the tool performance. It operates best with moderate pressure so that the chuck can reciprocate freely.Oh, and at first glance, the case seems nicely made and sturdy, but that impression comes from the weight of the tool and included accessories. The case itself looks good, but it is made with very thin and rather brittle plastic. Apparently it hit the case on something (not hard, I don't recall doing it actually), and a small part of the case shattered. I'm not really complaining about this, nor rating it down for this fact due to the low price of the tool, but I felt I should warn prospective buyers so they know to be careful with it.One last point: even with the extended warranty, this tool still cost less than competing models that had lots of customer complaints.

It was what I expected to be, very much according to internet claims, very powerful machine, and so easy to work with, great product, . very happy with it.

This tool worked great for a tile removal job I did for a friend of the family. It remove the tile and the thin set underneath. The chisel bit it came with was a little too small for the job so I had to order a wider one. One of the small downsides is it’s a little short for me. I’m 6’1”. And the mask and goggles are very cheap. They are almost made for a kids toy tool set. But other then that it worked great.

This thing is incredible. I used it to tear out around 500 sqft of tile and cement board. I’ve used it to drill holes in cement as well. Worth every penny. Just remember to grease it like the manual says and you’ll have no problems.

Update 12/5/22:I forgot to take pictures from the start. I used the hammer to make a hole 20 in. diameter, 30 in. deep in clay soil. Took 2 hours (including laying 250 ft. of extension cord through brush). This was a lot easier than manually digging. The hammer worked well with a 3-inch chisel bit. But, the cord strain boot broke. The tool did not got too hot since I never held the trigger for more than 2 minutes at a time. Next up is to break down old concrete.Initial Review:The item arrived in a case packed upside down in a beaten-up box (tape torn and labels ripped off) inside another box. Luckily, all the items were present (albeit scattered around). The toggle on the device does not line up with the selection. It is 1/2 inch off, but useable.The included SDS-plus chisel bits fit well (make sure to use the provided grease). The rotary hammer is as heavy as a pick and shovel. A 100 ft. 12 gauge extension cord weighs more. The noise produced is quieter than I expected (but wear hearing protection).I used hammer mode on a 30 year old dirt pile. It effortlessly split the clay and broke up some of the embedded rocks with the pointed chisel. Then, I used the flat chisel on some earth around a tree stump. It quickly loosened the soil and cut some of the roots.I bought this to break up some old concrete posts footings and a 50 year old concrete slab in my backyard. But, it started to rain before I got to test it further and this was how far I got. Updates to follow.

We spent about 8 hours (over the course of a a couple weeks) breaking up & hauling away an old concrete & brick porch. This unit is a great value in that it would have cost us a lot more to rent a tool for the job we did.After about four hours of use, the tool switched from hammer only to hammer & rotation, while I was sinking the bit into concrete. The tool ripped itself out of my hands. I double checked and made sure it was locked in the "hammer only" mode, and about two hours later it happened again. The second time it sprained my wrist pretty bad when it suddenly spun out of my hands. This tool has a whole lot of torque when it changes over to rotating. I'm glad it happened while I was using it and not my wife, it probably would have broken her wrist. I would not recommend this tool to anyone. Either buy a tool which only has the hammer mode - or buy spend the money to buy a better brand.

This drill was much better than expected. Very powerful and did the job I needed it for. Can't beat the price.

Cut 4 inch concrete slab like cheese. Don't need a expensive jack hammer. Don't need any chisel tool or hammer. Small enough to fit in small space. Powerful enough to cut slab like cheese. This is great for DIY plumbing relocation project considering that I spend about two hours a day on the project. It just gets a little warm, and it probably can keep going. It is just me out of gas.