This Ferrari pneumatic bottle capper is perfect for small micro - brewers and passionate homebrewers. You can use it when bottling your homemade beer or other beverages. It has two capping heads to handle different cap sizes. The capper is 23 inches high, 8 inches wide, and 9 inches deep. It runs on air, needing 125 psi at 1 CFM, and comes with a European - style air compressor bayonet. Pushing two green buttons activates it safely, so you don't have to worry about your fingers.