Right And Left Hand 9/16"-20 Un Hss Tap, 9/16 X 20 Un Thread Tap For Bike Crank Product Details ?Size?Length: 3.54"/90mm, Thread Head: 0.71"/18mm, Square Head: 9.0mm x 9.0mm (L*W), Shank Diameter:11.2mm, Pitch: 20 TPI. ?Feature?Standard thread design, made of High-speed steel with high hardness and toughness, provide rapid chip removal for efficient threading. ?Application?use to repair bicycle pedal cranks threads, clean out or restore damaged threads within the crank arms. ?Usage?Can be used with manual equipment or special processing consoles for tapping, Appropriate addition of coolant can extend the service life when tapping. ?Package Included? 9/16-20 UN Right Hand Tap * 1, 9/16-20 UN Left Hand Tap * 1. 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.