Boxes are not sealed, appear as full set. Have 3 in total. For wood decking. From manufacturer: The B-Fix One is sold by the box (100 units). The box also includes 100 self-drilling screws, instructions, and a Torx bit. One of B-Fix Ones’ finest attributes is the remarkable amount of time saved laying the deck boards. They can easily be slotted into place one after the other with regular spacing between. The number of B-Fix One units necessary for a project will depend on the distance between the joists of the supporting structure and the width of the deck board being used. To calculate the amount required, simply multiply the number of deck boards, minus one, by the number of joists.
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