This product is of high quality and made from reinforced plastic. Italian Designed. Features: Easy to use, simply place cap on bottle. Mount in the upwards position. Flex and press until you feel the the levers tighten to a horizontal level. This model comes with a standard bell which has a built in magnet to hold the bottle cap Place bottle caps in the bell or place them on the bottle. (Whichever is easier for you) then push the handles down. It is important to make sure you're capping on a non-slippery surface that is also flat.