Trex Router Bit Product Details The Trex Groove Cutter (Router Bit) is designed to work with the Trex Hideaway Hidden Fastening System. Delivering a fast and easy installation process that allows for a clean, fastener-free deck surface. The groove cutter works with Trex Transcend, Trex Enhance, and Trex Select deck boards. Traditional square edge deck boards use standard deck screws and plugs for installation. Using the Trex Groove Cutter precisely grooves the underside of the board to perfectly fit the Trex Hideaway Universal Hidden Fasteners. Exclusively for use with non-grooved Trex deck boards Makes and easy hidden fastener installation Stainless steel for superior durability Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.