Necchi HD22 Mechanical Sewing Machine The Necchi HD22 mechanical sewing machine is a heavy duty machine built for any project. The Necchi HD22 mechanical sewing machine is built with a heavy duty Aluminum alloy body. The Necchi HD22 is one super sturdy sewing machine. The Necchi HD22 mechanical sewing machine has 22 built-in stitches to complete any project you could imagine with easy to use and reliability. The Necchi HD22 mechanical sewing machine has added features like an accessory storage compartment and adjustable foot pressure makes this machine a great value.