A. Hardness: Rockwell hardness 60 B. Material: Steel C. Accessories: Equipped with K32 key D. Taper: Morse No. 2 taper E. Two threaded mandrels F. Drill bit clamping capacity: 3 - 16 mm (1/32 inch - 5/8 inch/Max. 5/8 inch) G. Product features: - Keyed chuck with 2MT spindle, 5/8 inch. - Comes with a drill chuck key. - It is a suitable drill chuck accessory for lathes or any drill presses with a 2MT spindle. It can clamp drill bits from 1/32 inch (3 mm) to 5/8 inch (16 mm). H. Specifications: - Color: Silver + Black - Weight: 1.92 lbs I. Package contents: - One drill chuck - One (The original content does not specify the item here) Only the above package contents are included, and other items are not included. J. Precautions: Light and different monitors may cause the color of the item to vary slightly from the actual one. The allowable measurement error is +/- 1 - 3 cm.