ITEM NAME:3pcs Morse Taper Adapter MT1 To MT2 MT2 To MT3 MT3 To MT4 Reducing Drill Ch G9R4 3pcs Morse Taper Adapter MT1 To MT2 MT2 To MT3 MT3 To MT4 Reducing Drill Ch G9R4 Three models: MT1-MT2, MT-2-MT3, MT3-MT4. Material is solid, not easy to break. High strength and hardness. Easy to install. Durable in use. Brand new Material: carbon steel Color: gray & black Size: 92x12mm,112x17mm,133x23mm Drill type: fixed sleeve Applicable machine tools: drilling machine Package included: 3pcs x Morse Taper Adapter.3pcs x Morse Taper Adapter. Drill type: fixed sleeve. Material is solid, not easy to break. Applicable machine tools: drilling machine. Easy to install. Color: gray & black.