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HighFree 5/8" Plug Wedge Feather Shims
Used to split the hard stone, rock, granite, marble, concrete. Diameter 5/8 inch (16mm), Use 1/2 inch hammer bits can be. Low cost, versatility, easy to use.
Heat treatment process
High-quality steel
Each set includes 1pc rubber ring + 1pc wedge + 2pcs shims
How to use
1 Central wedge 2 wedges composition
- 1) First using quarrying dedicated drill holes, remove residual powder of hole
- 2) Next upside down the big side of 2 wedges (flat to flat),and put it into hole.
- 3) Then upside down the small side of central wedge between 2 wedges , and finally using the hammer split stone
Note:
- Before use, please make the necessary protective measures
- When the stone is about to split, keep alert.
dean
Reviewed in the United States on March 15, 2025
Worked very well
Legally Brunette
Reviewed in the United States on July 2, 2024
These worked really well for breaking up large pieces of concrete. The rubber rings are convenient for holding the pieces together. Those started to break with repeated use. Thankfully you don't need the rubber rings to use the wedges, you can just set the 3 pieces into the hole and collect them when you are done. The rubber rings are really more of a convenience since they hold the pieces together making it easier to reset. If the seller provides an option to purchase replacement rings I would order more but I am happy that I am able to use them even without the rings.
Nathan W.
Reviewed in the United States on June 23, 2023
Worked great. Needed a boulder broken up so I could move it. I recommend learning proper use before trying. When they say you don't have to hit them hard with a hammer to work they aren't kidding. They aren't made from hardened took steel so if you hit them too hard they will deform and chip. Light methodical hits with a hammer is addequate.
mark seitz
Reviewed in the United States on September 28, 2022
product works well Breaks huge rocks in a line
C.A. DaSilva
Reviewed in the United States on August 29, 2022
These worked great for splitting rock.I recommend a 1/2” drill bit and drill as deep as you can.
Mr. K
Reviewed in the United States on November 22, 2022
good
Daryl Ortiz-Mashke
Reviewed in the United States on January 20, 2022
We had a HUGE stone slab in an awkward location. U-tubed how to break up a large rock/slab and they recommended a rock wedge and feathering shims and 1 1/2 inch SDS drill bit. They worked perfectly and helped split the slab in to manageable segments - easy peasy. Would have cost us several hundred dollars and possibly ruined our turf if we would have had to hire a backhoe or a contractor to remove it. My husband was amazed that it was so easy after 4 people first tried to manhandle it using all the physics their masters degree educated selves could muster. Seller shipped the stuff quick, and it took one hour for us to get it down to manageable size. Thanks.
Vince
Reviewed in the United States on May 30, 2021
So far so good split granite snd bluestone boulders around my property 5-6 so far about to drill so more holes to split more.
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