I got one that is steel. “Top Sider”
https://m.northerntool.com/shop/tools/product_390306_390306
You do have to pump the built-in pump to build the suction, which is easier than pumping up a bike tire, then put the tube in and walk away. I was swayed by it being old school steel. If I were to do it again, I might get one of the electric ones. More couch time!