The fasteners go on the bottom of the decking boards so you don’t have any nail or screws showing in the wood. The store that ordered them for me will not take them back because they had to order it and they don't carry them. It turns out I have way to many that I don't need. -I have 2 boxes of the 25sq.ft that retail for $73.48 I will sell for $36.00 each obo or make offer -I have 1 box of the 100 sq.ft that retail for 242.49 I will sell for $121 or make offer -I all so have a box of 300 sq.ft that is 1/2 full that the box retail 631.95 but because its 1/2 full I will sell for $157 obo or make offer I need to sell them fast I need the money cash only You can E-mail me or call my cell 505-620-7388 john The web site for them is http://www.fastenmaster.com/product.aspx?catID=2&prodID=3 THIS PAGE SHOWS YOU HOW IT IS DONE http://www.fastenmaster.com/iq_installation.aspx it's NOT ok to contact this poster with services or other commercial interests newmexico