A decorative solidwood oak oiled top cut as 81x45cm specifically for ikea Havsta Cabinet Ikea product code 005.292.42. You will receive one top but with 4 double sided tape, ato use on 4 bottom corners of the shelf to attach to ikea kallax top surface. So you will not need any tools, just the tapes we will send you. It will prevent the top from sliding or moving. Please double check the dimensions of the havsta unit you have to make sure it matches the top dimensions of 81x45cm. 18/19mm thick solidwood oak top Ikea Havsta Cabinet 81x45cm Oak Top Cover - Solidwood 81x45 cm Oiled