Features Premium Material: Each collet set boasts a robust construction made of 65Mn spring steel, renowned for its high yield strength and durability, ensuring longevity and reliability. Comprehensive Range of Sizes: The milling lathe collet set includes a diverse array of sizes, catering to a wide variety of workpiece diameters and machining requirements, maximizing productivity and efficiency. Stable Performance Guaranteed: Engineered for precise and stability, the ER11 CNC engraving machine collet maintains tight gripping forces throughout the entire cutting process, minimizing vibration. Precise Accuracy: Featuring tight tolerances and precise manufacturing standards, the workholding engraving collet guarantees exceptional accuracy, enabling users to achieve intricate details and tight fits that meet or exceed industry standards. Easy Application: The spring collet set is designed with convenience in mind, featuring quick-change mechanisms that simplify collet installation and removal, significantly reducing setup time and enhancing overall usability. Specification: Description: These spring collets are made of high quality 65Mn spring steel for CNC milling lathe tool and work-holding engraving machine. There are total 15 collets of various sizes in on set which can basic meet your need. Each collet is well packed in separate protective container with label so you can easily distinguish them. Collet must be placed into collet chuck nut before inserting into collet chuck. Features: Made of high quality spring steel, they are stable in performance. Fine workmanship, good elasticity, high precision. Collet must be placed into collet chuck nut before inserting into collet chuck. Each collet is well packed in separate protective container with label. For CNC milling lathe tool and work-holding engraving machine. Specifications: Material: 65Mn spring steel Model: ER11 Range: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 1/8 ,1/4 Height: 18mm / 0.7 OD: 10mm / 0.39 Package List