Lenox Tools 1852048 Snap-Back Arbor Extension, 12-Inch Product Details LENOX Tools Snap-Back Arbor Extension, 12-inch, 1L / 2L / 3L (1852048). The snap-back quick-change lets you engage and disengage extension from hole saw quickly and easily with just one hand. No tools necessary. The patented jaw design holds bits securely on ball detent bits; no threads to strip. Magnets in the connector provide additional holding power. A carbon steel collar and shaft provide durability and extended tool life. Requires no adapter. The arbor threads directly into all hole saws. Works with 1/4-inch arbors and insert bits. Fits 1L, 2L, and 3L Standard Arbors and 2L Snap-Back arbors. Quick Change: Faster and easier to engage/disengage hole saw Prevents Threads from Stripping: Drives off pins, not threads No Tools Needed: Prevents hole saw from locking on arbor No Adaptor Required: Arbor threads directly into all hole saws Easier Plug Removal 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.