Drywall Shims is used for floating butt-joints and framing irregularities. Can be attached with screws or nails to framing members of each side of a butt joint. Highlights: Size: 45 inch x 1.5 inch Used to help align bowed or twisted studs Out of plumb corners Misaligned window & door framing Floating butt joints & framing irregularities Allow for greater inset at the drywall joint Number in Package: 110