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Hybrid Stone Molds

10" dia. 35LB Hybrid Stone Mold
€70.00 €84.70 Incl. Tax
10.75" dia.50LB Hybrid Stone Mold
€71.00 €85.91 Incl. Tax
12" dia. 65LB Hybrid Stone Mold
€72.00 €87.12 Incl. Tax
13" dia. 95LB Hybrid Stone Mold
€74.00 €89.54 Incl. Tax
14" dia.116LB Hybrid Stone Mold
€76.00 €91.96 Incl. Tax
14.5" dia.130LB Hybrid Stone Mold
€77.00 €93.17 Incl. Tax
15" dia. 145LB Hybrid Stone Mold
€79.00 €95.59 Incl. Tax
15.5" dia.160LB Hybrid Stone Mold
€85.00 €102.85 Incl. Tax
16" dia. 175LB Hybrid Stone Mold
€92.00 €111.32 Incl. Tax
17" dia. 215LB Hybrid Stone Mold
€96.00 €116.16 Incl. Tax
18" dia. 250LB Hybrid Stone Mold
€100.00 €121.00 Incl. Tax
Hybrid Funnel
€42.00 €50.82 Incl. Tax

Make your own big freaking stones!

These are the stone molds made famous by the July 2011 issue of Muscle & Fitness featuring Rob Orlando. Easy to use, Hybrid’s stone molds are the best in the industry. For more strongman equipment, check our selection.

Weights listed for each stone mold size are estimates. This can vary due to variation in concrete and the process used to make the stone.

Gear Specs

Brand Hybrid
Made In USA Yes
Color Black
Hybrid Stone Molds is rated 4.7 out of 5 by 14.
Rated 5 out of 5 by from Works great I've made about 6 sets of stones from these mold so far. They come out great. The only downside was there were no instructions included on how to make the stones. The first 2 sets didn't come out super smooth do to me learning how to make them.
Date published: 2019-07-04
Rated 5 out of 5 by from Awesome product Mould held up, ensure you tape the seem to reduce water loss. After three days sitting i birthed this beaut
Date published: 2019-05-10
Rated 5 out of 5 by from Nice rock Stone ended up being 277 pounds UNEXCEPTABLE! Jkjkjk did have to grind down some edges where the mold meets but I’ll probably put some tape on the inside next time to keep that from happening. Top notch stuff right here!!
Date published: 2019-01-25
Rated 5 out of 5 by from Easy to use I bought this one around a month ago, liked the outcome so we'll I've bought more.
Date published: 2018-12-09
Rated 5 out of 5 by from Great mold IF It's a great mold if you use nuts and screws. On my biggest mold, I also drilled more holes for more screws and got no leakage at all ! But don't use zip tie...
Date published: 2018-08-27
Rated 4 out of 5 by from Happy enough, but Slater is better I have used both hybrid and Slater Stone molds. The advantage of the hybrid mold is that you don't need to use tape to hold it together and the logo shows up better on the ball and lasts longer (the Slater logo type lasts for about 2 or three stones and then it starts to come off). The drawback of the hybrid mold is that it more difficult to remove the stone from the mold. I use a 5 gallon bucket to support the mold during the concrete curing period and the flange on the mold makes it difficult to flip the stone off the bucket. It seems like it would break pretty easily with the weight of a 250lb stone falling on it. It took three of us to safely lift the stone off the bucket and get it from the mold. For future stones I would more than likely use the Slater molds, although the required size was out of stock hence I bought this one.
Date published: 2018-07-05
Rated 4 out of 5 by from simple to use YouTube videos help explain the process. Wingnuts do hit the sides of the mold, makes removal a pain. Mallet keeps air out of bottom of mold, but top will require vibrating tool to remove all air.
Date published: 2018-04-30
Rated 5 out of 5 by from Math really helps If you use the accepted concrete industry standard of 150# per cf of cured concrete, and mix your mud to professional spec's (no or very low slump) an 18" mold should produce a stone that weighs 265# and a17" should weigh 223#. My 18" appears to weigh 275# and the 17" 222# so the weight stamps in the molds are inaccurate and annoying. If you use truly low slump concrete you do need to rent borrow or invent some way to vibrate the mud into place and get rid of air bubbles. Having watched the Slater and Hybrid tutorials Slater knows a helluva lot more about how concrete should be handled, I just couldn't buy something I had to tape together. My advice buy the Hybrid use screws flat washers and wing nuts, use white grease on the lip before you bolt it together. Use a length of duct tape to keep your screws clean and ensure minimal leakage at the seam. Trowel the fill hole close to the shape of the sphere so you have neither an ugly flat spot or a big knob to grind off. Cover this with a clean wet rag then cover that with a piece of plastic to prevent moisture loss then strip the form in 36 to 48 hours. These molds are nice heavy plastic that doesn't warp, as long as you use silicone spray and don't let them sit too long they strip clean too.
Date published: 2017-01-06
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