<b>Lanzeuta 2pcs ER20-A Collet Clamping Hex Nuts for CNC Milling Chuck Holder Lathe</b><br> <br> <b>Specification: </b><br> Material: High-Speed Steel<br> Color: Black<br> Hole Diameter: 0.61" / 15.5mm<br> Outer Diameter: 1.33" / 33.8mm<br> Height: 0.78" / 20mm<br> <br> <b>Gentle Reminder:</b><br> 1. Because of manual measurement, please allow 1-2mm deviation, thank you! <br> 2. Due to the shooting angle, light, display and other factors, the color of the digital images is slightly different from the actual object.<br> <br> <b>90 DAYS Free Warranty & Customized Service!</b><br> Lanzeuta promise that product quality and customer satisfaction are our top priorities.<br> If you have any questions, please do not hesitate to contact us. Your requirement will be replied within 24 hours. Lanzeuta will serve you wholeheartedly and undertaking your fullest satisfaction is guaranteed.<br> Lanzeuta provide a full refund for any reason within 90 days after the date of purchase. If the product you receive has manufacturing defects, we are willing to improve your experience by replacing it or refunding it.<br>