Nut And Bolt Thread Checker - 26 Male/Female Gauges - 14 Inch Product Details ?Nut Bolt Thread Checker? These thread gauges includes 26 male/female gauges - 14 inch 12 metric.Thread sizes are permanently carved on each gauge with distinct mark, which makes the mark easy for you to tell. ?Efficiency Improving?Big Time Saver No more bent over the container looking for a nut/bolt to finish your project?especially the nut or bolt that cannot be removed?Each size has a nut and bolt checker on the same gauge? Excellent item for the mechanic Every workshop should have one. ?High Quality Material? These nut bolt thread checkers are made of strong material. Inch gauges are clear zinc plated, metric gauges are black oxide. ?Black Oxide for Metric Size?Includes 12 Metric Sizes part numbers: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75. ?Zinc Plated for Inch Size? Includes 14 Inch Size part numbers: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20. 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.