Features. Drywall shims. 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. Can be attached with screws or nails to framing members of each side of a butt joint. Pack of 100Specifications. Size 45 x 15 in. Size 45 x 15. Weight 3012 lbs