2-position manual lift allows you to go between free arm and flat bed sewing positions Designed to work specifically with 221 & 222 Singer Featherweight TM machines, creating a totally flush work surface Opening designed to fit 221 & 222 Singer Featherweight TM 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