Features Durable 40Cr Material: The MT2-ER11-M10 collet chuck handle is made of high quality 40Cr of the product can provide stable performance. Clamping Range: Strong clamping force, the clamping range is 1-7mm Easy to Use: The tail of this collet chuck tool holder has threaded hole which is convenient to install. Excellent Performance: Great processing and high quality, good tool holder for milling machine. Wide Application: It is a common spindle holder for drilling machines, milling machines, lathes, table drills and small machine tools. Specification: Item Type: Collet Chuck Handle Material: 40Cr ER11 Collet Clamping Range: 1-7mm Type: Pull-back (with threaded holes at the tail) Package List: 1 x Collet Chuck Handle Note: New‑style and old‑style are shipped randomly Package List 1 x Collet Chuck Handle