Check the listing for details. 1Pcs M12X1mm FA Type Precision Ball Screw Rod Locknut Retaining Castle Nut. Condition: New. Listed at 11.50 USD. 1pc 1Pcs M12X1mm FA Type Precision Ball Screw Rod Locknut Retaining Castle Nut Item Description: Material : 42CrMo Steel Hardness : HRC28°-32° package:1pcs Payment Description： We accept only paypal payment. Shipping Description： Item will be shipped by airmail with tracking number (ship to USA by USPS epacket delivery ) within 24 hours(1 working day) after full payment is received. We only ship to the approved address given in PayPal payment. Please make sure payment address in PayPal is correct. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. A notification email of dispatch will be sent to buyer after item is posted. Please email us if you don't receive our email after 3 days of full payment sent. Return Description： In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back. Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.