Fits diameter center poles: 3.1cm/1.25" (Please check the tree Pole diameter of the Christmas tree)<br><br> Fits Tree height: 5 to 7ft.<br> Bottom Length: 60cm/24".<br><br> Method of use:<br> 1. Expand the shelf into a cross shape.<br> 2. Then install the screws in the upper open hole.<br> 3. Note that the screws should not be inserted too deep, otherwise the tree tube will not be inserted. Package: 1 x Christmas Tree Stand 3 x Fix screw