This bench capper is very easy to set up and use. The (standard) bell has a magnet to hold the bottle cap, you place your beer bottle or Champagne bottle on the plate and pull down on the handle. The cap is crimped and sealed. Faster then a hand capper. The Agata bench capper height is an easy manual adjustment, set by using the black button on the side .A well made Capper and can be scewed to a bench for stability with provided mounting holes. This is a great upgrade from a hand capper. For best results you should mount the capper to a bench or table.