Tools Hole Saw Extension Chuck, 10-Inch X 3/8-Inch Hex Shank Reducing Locking Product Details MATERIALS? M2 Hardened carbon steel for strength. SIZE ? 3/8?Hex Shank chuck and 10 inch long how saw arbor extension. USEAGE ? Use For hole saw extension, allows access in confined areas. Simple Plug Replacement ? Arbor designed with solid pins to easily replace plugs for hole saw. Package Include ? 1 X 10inch extension and 1X hex wrench. Customer First ? Please contact us anytime as you free if you have some questions, we will reply you asap. We promise 30 days return free. 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.