Check the listing for details. CMM Touch Probe Stylus - M5 Thread - 3mm Ruby Ball - 20mm Length - PL31. Condition: Used. Listed at 29.98 USD. CMM Touch Probe Stylus - M5 Thread - 3mm Ruby Ball - 20mm Length - PL31 The "buy it now" is only for one unit. Please email if you have any questions or would like to speak with someone in person. Find us at Bullseye Calibration in Bloomfield, CT to discuss the machine. SHIPPING POLICY:We sell sensitive test and measurement equipment here on Ebay. We strive for 5-star service, so we invest a great deal of time and care to package all of our items safely for shipment. This attention to detail means it may take up to 10 days for us to prepare and ship your units out of our facility. We want to support you throughout the transaction and want you to be satisfied, so please to contact us at Bullseye Calibration in Bloomfield, CT with any questions or concerns. We do our best to ship quickly, but never at the expense of quality delivery. RETURN POLICY:All units are being sold "WITH A 30 DAY RIGHT OF RETURN". The auction description is written as a guide, we strongly recommend that you come view and test the units at our facility. Feel free to find us at Bullseye Calibration in Bloomfield, CT, and we will help answer any questions that you may have, before you purchase an item. We do not accept returns, unless stated otherwise above, so please reach us with any questions that you have BEFORE you bid.