This bracket is designed to stabilize your Ikea Lack table. It reduces vibrations and makes your table more stable. You will need four brackets in total, one for each leg, and they are designed for size 6 screws. There are enough holes for seven screws in each bracket, which is more than necessary, so you can probably make do with fewer. The fittings include fittings that fit standard wood screws, drywall screws and standard pan head screws. With these brackets and a foam mat under the table, you can almost completely eliminate vibrations caused by the printer.