Heavyweight was designed to accommodate your Singer Featherweight® sewing machine. The 2-position manual lift allows you to go from free arm to flat bed sewing while the steel locking legs and durable wheels make for easy transportation. 2-position manual lift allows you to go between the free arm and flatbed sewing positions Designed to work specifically with 221 & 222 Singer Featherweight™ machines, creating a totally flush work surface Opening designed to fit 221 & 222 Singer Featherweight™ Sturdy steel base minimizes machine vibration for straighter stitches Powerful steel locking legs, equipped with 2 wheels for easy mobility and portability Built-in measuring decal Easily store under your bed or in a nearby closet Arrives fully assembled 3-year warranty, worry-free performance