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This suction cup actually works well with sheet metal, but you have to make sure that the sheet is relatively flat when you are pulling the suction on it. If the suction does break loose, the pump automatically starts back up to achieve a suction back on the sheet. I have used this to move around 5' x10' x 16 gauge stainless steel sheets by myself and the cup locks on well and stays locked on while picking the sheet up vertically on its side. It will not pick the sheet up if it is laying flat, though you can lift one end up in order the get it up off of the sheet below it or to just help you stand it up on one edge. I use rechargeable batteries in mine and put them on charge after every use so I can't say how long normal alkalines would last in this, but I really do like the auto pump on this suction cup.
Really impressed. seen them else where but cant be beaten on quality and price!
Loved it! Makes carrying heavy stone sheets a breeze.
Sparky –
I am using this to lift and hold 26ga metal siding.
I am not using it to move them but to lift and hold them in place while they are screwed in.
I had a manual pump one but it only lasted a couple of weeks, I have been using this one daily for close to a month now.
I am glad I spent the extra money on this one.
5 STARS
Review source: Amazon