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Each tool is tested and the suction can last for 48 hours
Joseph M
2025-09-06 18:10:23
I ordered 2 sets of these clamps to use in reattaching a glass convertible rear window that fell completely off the canvas top.The top was otherwise in good shape. I took the car to one of the few shops in the area that deals with convertible tops and they said it had to be replaced at a price of $2,500 (!). I called another shop and they gave me a price of $2,300.That price tag led me to researching replacing the top on my own. In the course of that internet search I came across several you tube videos showing people reattaching rear windows rather than replacing the top.I saw a number of different approaches using various materials. The one that appealed to me the most used suction cup clamps like these and 3M Window-Weld as the adhesive.Watching several videos was very helpful before taking on the project. I'd link to the ones I liked the most but Amazon doesn't like links off their site in reviews. However, it shouldn't be hard to find some on your own.Re these clamps: I liked the price compared to competing products. Most of the review were positive, which encouraged me. I read some of the negative reviews. They were mainly about the suction cups not holding.Given that the majority of the reviews were positive, I decided to go ahead and order these. They worked great. I actually had the suction cups on the glass for 2 days before I could get a friend to come over and tighten the clamps while I held the window in place. All the clamps held beautifully.I wonder if the problem some people had was related to their method. Here's what I did that may have made the difference.I washed the suction cups in very soapy water and degreaser to remove any oily residue that may have been left from the manufacturing process. Then I washed the window with a couple of passes of window cleaner, rinsed it well, then wiped it down with isopropyl alcohol to further clean it.I applied the suction cups to the window without the lever arms attached, using a bit of water under the cup and pressing down on the cup itself rather than the threaded bolt arising from its center.I don't know if that approach is what made the difference for me or if I just got lucky with my 12 clamps. In any case, if you get these clamps it won't hurt to take this approach. I hope it helps.Bottom line: my top is now repaired and working well for less that $100 in materials vs $2500
jeffrey chaney
2025-08-17 13:02:48
Used to hold glass in convertible top while regluing, worked great
KO
2025-07-28 18:39:53
I loved the idea of this product and they were needed for the job I had to do. Unfortunately the suction cups were too poorly designed to work. I tried water and suction grease to get them to stick but they could not fix the defects in the action cup dome to get them to work. Do not buy.
Randy Tinsley
2025-06-26 10:57:20
Every suction cup that came with the kit wouldn't hold to any surface I tried. They just don't work. Very disappointing. I was truly wanting to work. After contacting the seller there going to send me more suction cups. They do stand behind the product.
Customer
2025-05-31 12:11:19
They worked great 1 time. The suction cups are cheap rubber. They work great 1 time. Can be used a second time.
Barry Tab Biggle
2025-01-27 20:02:32
These six suction cup things worked Great. They did exactly what they said they would do. They held my back glass window tight to the cloth convertable top allowing the urethane glue to seal tightly between them. My whole window was coming loose so I wished I had purchased two sets of six to have made the job done in full in two days, as you must let urithane to dry completely before moving on to the next section to be glue down.
Dotti U.
2025-01-14 12:48:13
They worked fine but 2 did not work with suction cups maybe the glass was not cleanOverall very pleased
Cindy
2025-01-08 14:59:39
2 things I disliked. Had to assemble. Not a huge deal,but still... one kept popping off/suction wouldn't hold. Didn't matter how loose or tight it was screwed down. It was just defective. Otherwise they did the job of holding a plexiglass window in place as needed for the glue to dry.
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