| Brand Name: | Miracle Caster |
| Model number: | MC78 |
| Manufacturer Part Number: | MC78 |
Product Specifications
Technical Details
- These large chair casters roll more easily over carpet eliminating the need for a chair mat.
- Heavy duty. Guaranteed not to fail when used on carpet. (See details below.)
- Great for heavy individuals, people with mobility problems, or people who need a higher seat.
- Caster stem is 7/16" diameter. See photos above and description below for other dimensions.
- Sized to fit many office chairs but measure your current caster stem before ordering.
Product Details
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Product Description
Miracle Casters are large chair casters that offer several advantages over regular chair casters. Miracle Casters use wheels that are nearly 4 inches in diameter. That's twice the diameter of the cheap casters supplied on most office chairs! Because of their larger size, Miracle Casters roll easily over thick carpet and can also be used on tile. Think of the huge wheels on tractors and other heavy equipment. Miracle Casters work on the same principle. The bigger the wheel, the easier it will roll over a soft or uneven surface. Each caster is rated to carry 130 pounds, which means that a set of five will hold a static load of 650 pounds. However, for best results, we do not recommend Miracle Casters for individuals over 300 pounds. When used on carpet, each Miracle Caster is guaranteed against failure for 10 years. Miracle Casters fit many office chairs. PLEASE MEASURE YOUR CURRENT CASTER STEM TO MAKE SURE THE DIAMETER IS 7/16-INCH. A ruler, 7/16" wrench or 7/16" drill bit can be helpful when checking your stem diameter. The length of Miracle Caster stems is 7/8-inch. To avoid chair damage, your current caster stem should be between 7/8-inch and 1.25-inch in length. See photos for complete dimensions. Here's what people are saying: * Received your casters and they seem to be working great. I can move on the rug! - Eilleen H., Harrisburg, PA. * Wanted to let you know that I put the casters on my (Henry Miller) Aeron chair, and omigod they are awesome!!! - Richard H., Los Angeles, CA * Goodbye ugly plastic mat! Your casters went on an Aeron chair, and actually improved an already-excellent product. I've got a pretty bad neurological condition, which causes major pain; the Aeron has helped that, and your casters are little 'miracles' too, making a good product better. I've successfully ordered goods from the Internet for many years, but this is the first time I've felt I should write a company with my compliments. Keep up the good work! Many blessings. - Michael, GA.
Customer Reviews
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Most Helpful Customer Reviews
15 of 15 people found the following review helpful:
5.0 out of 5 stars
They really work well,
By
Amazon Verified Purchase(What's this?)
This review is from: Miracle Caster! Extra Large Chair Wheels. Set of Five. Great for carpet. Replaces chair mat. (Office Product)
These wheels have solved my problem. With a carpet and padding underneath, it was hard to roll my office style chair around. If I was sitting a little forward on the chair, it would tip forward rather than roll forward. If I was standing near the chair and wanted to move it, pushing at the top of the back of the chair would only tip it over.
I tried a vinyl mat. The result was the formation of little "craters" where I sat in the chair most. That made it even harder to move the chair. I then tried cutting a large piece of fibre-board into a chair mat. The result of that was such generation of static electricity that I believe it was the cause of both my system unit and monitor power supplies failing with a literal bang. With these big casters, the chair rolls easily and can be easily pushed without tipping.
18 of 19 people found the following review helpful:
1.0 out of 5 stars
Great If They Fit Your Chair - But, Don't Force Them,
By
Amazon Verified Purchase(What's this?)
This review is from: Miracle Caster! Extra Large Chair Wheels. Set of Five. Great for carpet. Replaces chair mat. (Office Product)
Yes, these arrived very promptly and are now working very well on my carpet. I love them.No, they were not easy to install. They are just a teensy weensy bit larger in shaft diameter than my old wheels, which I had measured. Remove the old wheel, easy - done. Install the new wheel, push, push with no result. Compare with old wheel shaft - you'd need a micrometer to prove the size difference. Out to the garage, returning with a scrap of 1x2 firring strip and a rubber mallet. Align new wheel shaft carefully, pound away - protect fingers and knuckles. Ah, the first wheel grudgingly slides in and seats cleanly. Same scenario with the remaining four wheels. No installation hints from the seller. Not an easy task for every consumer. I'm deducting one star for that. Notice packed with the wheels: if I should decide to return them, they must be pristine and undamaged, and the seller will charge me a 20% restocking fee (plus my cost of return shipping). Off comes another star for bad attitude. But, I was lucky. I strong armed the installation and got the wheels in just fine. And, with my knuckles intact. May you all do so well. Additional Comments: After a couple of months, my big wheels were doing fine, but the chair I installed them in broke, and right where the wheel was installed. Luckily, I was able to repair the wheel mount area with some dental tools and a great epoxy filler (both discovered with and purchased on Amazon). Otherwise, I was about to be out over $150 for the chair. For a summary of how I did the repair, see my review comments on this Amazon item: "DENTAL PICK wax carver SPATULA probe = DP-20" July 6, 2011: A second wheel mount in the chair has broken, because the big wheel shafts are just a millimeter or so larger than the original wheels and had to be forced in place. I'm capitulating and buying a quality plastic chair mat. The purchase price of the big wheels was essentially wasted for me. Deducting another star from my rating. If you want to try these wheels, I would suggest you first buy or borrow a 7/16" drill bit, remove an existing wheel and test for a comfortable fit with the drill bit shaft. October 4, 2011 After another spill, I finally had to give up and buy a new chair. So, I'm deducting another star. If they don't seem to fit in place easily for you, I suggest you stop and contact the seller promptly. See additional comments (below) from my seller.
16 of 17 people found the following review helpful:
2.0 out of 5 stars
Chair still won't roll on the carpet,
By
Amazon Verified Purchase(What's this?)
This review is from: Miracle Caster! Extra Large Chair Wheels. Set of Five. Great for carpet. Replaces chair mat. (Office Product)
I purchased these for my Herman Miller Aeron chair. I had high hopes for these wheels since I don't want to purchase a $200 mat. I have soft carpet with nice padding underneath. I had previously purchased a basic mat from Office Depot and the wheels would sink into the mat. These wheels are about as much help as that mat was. The chair does roll a little better - I can get it to move - but still difficult to get the chair to roll without tipping the chair over. So I will probably have to purchase something else. The wheels are huge. Kind of funny looking. Really gives the chair extra height so make sure you'll be able to lower the chair quite a bit after getting the new wheels.
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