Features MULTIPLE FUNCTION: MT3 Morse taper drift key, used to remove reducer sleeve, taper shank drill, taper shank reamer, and other taper tools. EXCELLENT METAL: Made of silicon manganese spring steel, with heat processing, to ensure high strength, toughness, and impact resistance. HIGH EFFICIENCY: This taper drift key is lightweight and compact, convenient to grip, time saving and labor saving, and improves work efficiency. SAFE OPERATION: This drill bit has a reasonable design, easy to operate, which can effectively reduce damage to the variable diameter sleeve. APPLICABLE FIELDS: This Morse taper drill bit is widely used in machine tool, lathe, boring machine, and drilling machine, convenient and practical. Specification: Item Type: Morse Taper Drift Key Model: DIN317/3 Material: Silicon Manganese Spring Steel Size: Approx. 190 x 25mm / 7.5 x 1in Package List:1 x Morse Taper Drift Key Package List 1 x Morse Taper Drift Key